Parental Unit in Deep Blue (dark blue) 525 Ballistic. A reverse shot of the Parental Unit in Deep Blue (dark blue) 525 Ballistic. Parental Unit in Deep Blue (dark blue) 525 Ballistic with Northwest Sky (light grey) 200 Halcyon interior. Parental Unit in Cloud (light grey) 525 Ballistic A reverse shot of the Parental Unit in Cloud (light grey) 525 Ballistic Parental Unit in Cloud (light grey) 525 Ballistic with Ultraviolet (purple) 200 Halcyon interior. Parental Unit in Aubergine (dark purple) 525 Ballistic. Reverse shot of Parental Unit in Aubergine (dark purple) 525 Ballistic. Parental Unit in Aubergine (dark purple) 525 Ballistic with Northwest Sky (light grey) 200 Halcyon interior. Parental Unit in Black 525 Ballistic. Reverse shot of Parental Unit in Black 525 Ballistic. Parental Unit in Black 525d Ballistic Nylon/Island Blue 200d Halcyon Parental Unit in Black 525 Ballistic with Northwest Sky (light grey) 200 Halcyon interior. Parental Unit with Black 525 Ballistic with Ultraviolet (purple with white grid) 200 Halcyon interior. Parental Unit in Burnt Orange 525 Ballistic. A reverse shot of the Parental Unit in Burnt Orange 525 Ballistic with Northwest Sky (light grey) 200 Halcyon interior. Parental Unit in Burnt Orange 525 Ballistic with Northwest Sky (light grey) 200 Halcyon interior. Parental Unit in Nebulous Grey (medium grey) 525 Ballistic. Reverse shot of the Parental Unit in Nebulous Grey (medium grey) 525 Ballistic. Parental Unit in Nebulous Grey (medium grey) 525 Ballistic with Island (blue with white grid) 200 Halcyon. Parental Unit in Mars Red (medium red) 525 Ballistic Reverse shot of the Parental Unit in Mars Red (medium red) 525 Ballistic Parental Unit in Mars Red (medium red) 525 Ballistic with Nebulous Grey (grey with white grid) 200 Halcyon. Parental Unit in Ursa (brown-grey) 525 Ballistic Reverse shot of the Parental Unit in Ursa (brown-grey) 525 Ballistic Parental Unit in Ursa (brown-grey) 525 Ballistic with Tidal (faded blue with white grid) 200 Halcyon. Parental Unit with Verde (green) 1050 Ballistic. Reverse shot of the Parental Unit with Verde (green) 1050 Ballistic. Parental Unit with Verde (green) 1050 Ballistic with Ultraviolet (purple with white grid) 200 Halcyon interior. Parental Unit with Black 1050 Ballistic. Reverse shot of the Parental Unit with Black 1050 Ballistic. Parental Unit with Black 1050 Ballistic with Iberian (red with white grid) 200 Halcyon interior. Parental Unit with Black 1050 Ballistic with Ultraviolet (purple with white grid) 200 Halcyon interior. Parental Unit with Black 1050 Ballistic with Northwest Sky (light grey with white grid) 200 Halcyon interior. Parental Unit with Black 1050 Ballistic with Island (bright blue with white grid) 200 Halcyon interior Parental Unit with Steel (medium grey) 1050 Ballistic. Reverse shot of Parental Unit with Steel (medium grey) 1050 Ballistic. Parental Unit with Steel (medium grey) 1050 Ballistic with Iberian (red with white grid) 200 Halcyon interior. Parental Unit with Steel (medium grey) 1050 Ballistic with Ultraviolet (purple with white grid) 200 Halcyon interior. Parental Unit with Steel (medium grey) 1050 Ballistic with Island (blue with white grid) 200 Halcyon interior. Parental Unit with Steel (medium grey) 1050 Ballistic with Wasabi (green with white grid) 200 Halcyon interior. Parental Unit with Navy (dark blue) 1050 Ballistic. Reverse shot of Parental Unit with Navy (dark blue) 1050 Ballistic. Parental Unit with Navy (dark blue) 1050 Ballistic with Tidal (faded blue with white grid) 200 Halcyon interior. Parental Unit with Navy (dark blue) 1050 Ballistic with Iberian (red with white grid) 200 Halcyon interior. Parental Unit with Navy (dark blue) 1050 Ballistic with Taiga (olive green with white grid) 200 Halcyon interior. Parental Unit with Navy (dark blue) 1050 Ballistic with Wasabi (green with white grid) 200 Halcyon interior. Parental Unit with Coyote (tan) 1050 Ballistic. Reverse shot of Parental Unit with Coyote (tan) 1050 Ballistic. Parental Unit with Coyote (tan) 1050 Ballistic with Northwest Sky (light grey with white grid) 200 Halcyon interior. Parental Unit with Coyote (tan) 1050 Ballistic with Steel (dark grey with white grid) 200 Halcyon interior. Parental Unit with Burnt Orange 1050 Ballistic. Reverse shot of Parental Unit with Burnt Orange 1050 Ballistic. Parental Unit with Burnt Orange 1050 Ballistic with Northwest Sky (light grey with white grid) 200 Halcyon interior. Parental Unit with Aubergine (dark purple) 1050 Ballistic. Reverse shot of Parental Unit with Aubergine (dark purple) 1050 Ballistic. Parental Unit with Aubergine (dark purple) 1050 Ballistic with Northwest Sky (light grey with white grid) 200 Halcyon interior. Parental Unit with Aubergine (dark purple) 1050 Ballistic with Wasabi (green with white grid) 200 Halcyon interior. Parental Unit with Aubergine (dark purple) 1050 Ballistic with Sitka (green with white grid) 200 Halcyon interior Parental Unit with Original (black with white grid) 400 Halcyon. Reverse shot of Parental Unit with Original (black with white grid) 400 Halcyon. Parental Unit with Original (black with white grid) 400 Halcyon with Ultraviolet (purple with white grid) 200 Halcyon interior. Parental Unit with Original (black with white grid) 400 Halcyon with Wasabi (green with white grid) 200 Halcyon interior. Parental Unit with Black (black with grey grid) 400 Halcyon. Reverse shot of Parental Unit in Black (black with grey grid) 400 Halcyon. Parental Unit with Black (black with grey grid) 400 Halcyon with Ultraviolet (purple with white grid) 200 Halcyon interior. Parental Unit in Night Walk (grey-blue with grey grid) 400 Halcyon. Reverse shot of Parental Unit in Night Walk (grey-blue with grey grid) 400 Halcyon. Parental Unit in Night Walk (grey-blue with grey grid) 400 Halcyon with Tidal (faded blue with white grid) 200 Halcyon interior. Parental Unit in Taiga (olive green with grey grid) 400 Halcyon Reverse shot of Parental Unit in Taiga (olive green with grey grid) 400 Halcyon. Parental Unit in Taiga (olive green with grey grid) 400 Halcyon with Northwest Sky (light grey with white grid) 200 Halcyon interior.
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Parental Unit

$160.00

The long awaited TOM BIHN diaper bag.

13 liters / 825 cu. in.

We've retired the Parental Unit so we can focus our efforts on other projects. You can sign up for our newsletter at the bottom of the page to receive updates on what we're working on next!

Description

Our design mission was this: a brilliantly useful diaper bag that could be used even beyond the diaper stage.

The Parental Unit has been on the drawing board for a very, very long time. Preliminary prototypes went in all sorts of directions: variations on current designs were proposed and discarded; crazy and cool but impractical accessories were tested and rejected. It spent time on the shelves in the design studio—a sad place not unlike the Island of Misfit Toys. With a growing realization that we were, if anything, over-thinking the whole thing, and had perhaps gone down one too many rabbit holes, Tom returned to the concept in mid 2014, designing from the ground up.

The Parental Unit you see here is the result of Tom's resolve to build a "diaper bag" that does more than just assist parents with changing diapers: it'll help organize and mobilize any parent or parents that participate in the modern world with their young kids. Unless you're just letting them go feral out on the back 40, you're likely to appreciate how the P.U. can make trips to the store, to the in-laws, daycare and even the museum less stressful and perhaps just as much fun as they should be. Plus you won't look like a dork with some huge encumbrance slung over your shoulder, whacking nice people in the face as you navigate the narrow aisles of public transit or cozy restaurants. We particularly eschewed goofy printed fabrics: if you want a bag that screams "I'm a parent!", you'll have to look elsewhere. The Parental Unit was designed to be as svelte as possible, and equally stylish for all genders: long after the kids are out of diapers and on their way to college, the P.U. might still be your favorite go-to bag for everyday carry.

The P.U. is a shoulder bag, intended to be carried over one shoulder or with the strap cross-body, like a bike messenger bag. It comes with the Standard Shoulder Strap, but you can upgrade to the Absolute Shoulder Strap

In terms of organization, the Parental Unit has it in spades. It is symmetrical front-to-back: both facets have gently curved zippers that open to generous, but not excessive, organizer compartments. Both of these are further divided into three vertical sub-compartments; the dividers themselves are more generous at their tops so that the wearer can easily see down into the sub-compartments. The center of the three is sized to fit most diapers, wipe dispensers (travel or home size both fit) and/or a changing pad; the spaces on either side are good for baby bottles, water bottles, or snacks. Most parents tend to divide the utilization of the bag by putting food and drink on one face and diaper changing accoutrements on the other. Both front and back have smallish zippered pockets that are nonetheless more than adequate for big phones or even phablets, a wallet, keys, etc.

And while we’re on the topic of organization: inside The Parental Unit are 10 O-rings — small, round, plastic rings to which you can secure Key StrapsOrganizer Pouches, and other accessories for custom organization. We've included one 8” Key Strap in Black.

The center compartment opens with a top zipper with two zipper sliders. We assume you'll leave that unzipped most of the time for fast access to a toy or a spit-up cloth, but you can zip it shut in bad weather or if you need to stow it during travel. Two billowy open-top pouches are sewn front and back inside this main compartment—you can choose to leave them empty and just take advantage of the large space, or you can use them to further organize changes of clothes and more diapers, or stash food, wipes, rags, etc. The outer surfaces of these pouches have zippers that allow you to join them together, dividing that one big space into four smaller separate ones (we know that's hard to picture—see the images above). You might find that our Travel Stuff Sacks keep changes of clothes better organized, but of course zip-lock type bags are fine too.

Two simple 1” / 25mm webbing handles can be found inside the zipper of the main compartment. These two handles give you an easy way to grab and move or carry the Parental Unit while its main compartment is zipped open. This is mostly to use while loading the Parental Unit: say, moving it from the kitchen to the nursery, for example. Because the handles are sewn inside, they politely disappear when you zip the bag shut.

Outside, near the top on the back, is a 1" / 25mm flat triangular snaphook: if you require fast access to your keys you'll appreciate this, but Junior would probably prefer you put a small teddy bear or binky there instead.

The P.U. is made of easy-to-wipe 525 ballistic nylon, and lined with 200d Halcyon/nylon ripstop. We agonized over whether to use YKK Aquaguard zippers; in the end, we went with standard #8 YKK coil zippers instead because they are noticeably easier to use, and we know that parents often do whatever they are doing with one hand. Otherwise the Parental Unit has the usual TOM BIHN attention to detail in construction: top-shelf materials, taped seams, and lots of bartacks.

Zippers

Exterior Zippers: 5x #8 YKK Racquet-Coil Water-Repellant Zippers

Interior Divider Zipper: #5 YKK Vislon Molded Tooth Zippers

Components

Duraflex®, Nexus, and Woojin buckles and related components

Specs

Dimensions

16.1” (w) x 9.6” (h) x 7.9” (d) / 410 (w) x 245 (h) x 200 (d) mm

Weight

1050d Ballistic: 1 lb 11.4 oz / 778 grams
525d Ballistic: 1 lb 3.8 oz / 560 grams
400d Halcyon®/420d nylon ripstop: 15.3 oz / 433 grams

Volume

13.5 liters, 825 cubic inches (ASTM Standard Measure)

Choosing an Exterior Fabric

You like choices and we like to give you choices! That's why the Parental Unit is typically available* in three different exterior fabrics. Our Materials Glossary explains each fabric in great detail, but here are some quick facts that may help you decide which to choose. And we're always here if you have questions: emailus@tombihn.com

1050d High Tenacity Ballistic Nylon

Weave:
2x2 “ballistic” weave
Fibers:
1050 denier type 6,6 (high tenacity) filament nylon
Coating:
medium urethane
Made in:
U.S.A.

Choose this fabric if

  • You want a super-tough fabric – originally designed for use in bullet-proof vests.
  • The weight of your bag isn’t a huge concern (though it’s worth noting that 1050d Ballistic is still lighter than cotton canvas or leather).
  • You want a smooth surface that won’t collect pet hair or sweater fuzz, slides easily into and out of the overhead bin, and fits in whether you're traveling for work or leisure.

525d High Tenacity Ballistic Nylon

Weave:
2x2 “ballistic” weave
Fibers:
525 denier type 6,6 (high tenacity) filament nylon, twisted
Coating:
heavy urethane
Made in:
South Korea with Canadian Yarn

Choose this fabric if

  • You want your bag to be soft and supple yet tough as nails.
  • You want a fabric that's stately enough to be at home at work, the mountains, or a nice hotel.
  • You don't want your bag to collect pet hair or abrade your clothing.

400d Halcyon

Weave:
plain weave with 1/4” / 6mm ripstop
Fibers:
400 denier type 6 filament nylon (base fabric); 420 denier ultra-high-molecular-weight polyethylene ripstop grid
Coating:
light urethane
Made in:
Japan

Choose this fabric if

  • You want a lighter weight alternative to traditional nylon fabrics that has remarkable tear strength and good abrasion resistance.
  • You're looking for a fabric with a modern, "technical" appearance.
  • You have pets: 400d Halcyon doesn't collect pet hair, reducing your monthly lint roller costs.
*There may be times when one of the exterior fabrics mentioned here isn't available. Even with our best efforts, the demand for our bags occasionally outpaces our production capabilities: at times, some products, color combinations, or fabrics might be temporarily unavailable or "In Production." See the In Production color combinations as a guide to what our factory crew is making and what will be available next.
Lifetime guarantee image

Sewn in Seattle

Our bags are designed and sewn right here in Seattle, Washington, U.S.A.

That allows us to be control freaks in the best way possible; we have direct control and oversight of the quality of our materials, our products, and the jobs and working environment that we help create. It also offers us a unique spontaneity: when we have an idea for a new product or accessory, we can design it, figure out how to build it, add it to our website and be ready to ship it out our front door all within just a few weeks. How cool is that?

Intrigued? You can find out more about the unusual way we do business on our Company Philosophy page.

THE BIHN Guarantee

Everything you buy from us here at TOM BIHN is satisfaction guaranteed. We’ve been in business since 1972 and we stand behind what we make.

If something goes wrong and it's our fault, we'll fix it for free. Repairs due to normal wear and tear or due to other things that are not our fault will be performed, when possible, at a reasonable charge right here in our Seattle factory where your bag was made. Defects in materials or workmanship are uncommon and almost always evident while the product is still new. Keep in mind that bags and packs are often subject to extreme wear in everyday use: do not expect them to last forever. Only true love lasts forever! You can expect a TOM BIHN product to give years and years of hard service.

4.9
Rated 4.9 stars
Based on 14 reviews
100%would recommend this product
14 reviews
  • Kristin G.
    Verified Buyer
    Bought For Myself
    Product Standouts Thoughtful Design, High Quality Craftsmanship, Made in USA, Versatile, Durable
    6 months ago
    Bought For Myself
    Product Standouts Thoughtful Design, High Quality Craftsmanship, Made in USA, Versatile, Durable
    Rated 5 stars
    Parental Unit Rocks (from a non-parent)

    The Parental Unit is fantastic. I have the black halcyon exterior with ultraviolet interior, and the pop of color is so much fun. As with all Tom Bihn bags, it is well made and thoughtfully designed. I am not a parent, but this bag works for so many uses and can fit so much stuff, I would recommend it to anyone. I especially appreciate the multi-pocketed organization. It is even more comfortable to carry with the absolute strap, which is worth the upgrade. Thanks to TB for another great bag!

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  • Anne S.
    Verified Buyer
    Bought For Myself
    6 months ago
    Bought For Myself
    Rated 5 stars
    Hope this comes back into production cycle

    This bag has now become my every day carry. All the pockets help you organize the things you use a lot into easily accessible sections, and relegate rarely-used-but-needed items out of the way. Since I have items categorized and sorted away into the pockets, it leaves the main compartment clear and empty, ready to have things stuffed into it for toting. I use an Absolute Strap with it—since for me it has a "front" and a "back"—and it is comfortable even when I load the bag up (I do wish I could shorten the strap up a little bit more since the shape of corners of the bag adds some length). I especially like the outside clip on the back of the bag—the perfect place to clip your keys so you don't lose them at the bottom of the bag. My bag is Taiga halcyon with the dark crossthreads, which I find is a great neutral. I have gotten lots of compliments on this bag when I'm out and about!

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  • Austin A.
    Verified Buyer
    Bought For Myself
    Product Standouts Thoughtful Design, Good Storage Size, Durable
    10 hours ago
    Bought For Myself
    Product Standouts Thoughtful Design, Good Storage Size, Durable
    Rated 5 stars
    Excellent Diapar Bag

    We've been using the bag for a little over a year now to carry essentials for two children (1 year old, 4 year old). The build quality is excellent and the design of the bag is really well thought out. Despite its smallish size, the bag holds everything we need for a day out and keeps things organized.

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  • Megan R.
    Verified Buyer
    Bought For Myself
    Product Standouts Thoughtful Design, Made in USA, High Quality Craftsmanship, Durable, Good Storage Size
    6 months ago
    Bought For Myself
    Product Standouts Thoughtful Design, Made in USA, High Quality Craftsmanship, Durable, Good Storage Size
    Rated 5 stars
    Nightwalk PU

    I love this bag. It has so much organization & storage— and as a mom of 4, I can really appreciate that!! Everything is high quality, built to last, and clearly well made.

    Additionally, as a mom to 3 dogs & 2 cats, I really love the halcyon material. I never have dog or cat hair collected on it.. which is unheard of in our house.

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  • Beth R.
    Verified Buyer
    Bought For Myself
    Product Standouts Thoughtful Design, Comfortable, High Quality Craftsmanship, Versatile, Sewn in USA
    3 months ago
    Bought For Myself
    Product Standouts Thoughtful Design, Comfortable, High Quality Craftsmanship, Versatile, Sewn in USA
    Rated 5 stars
    Perfect Personal Item!

    The Parental Unit is an awesome bag for travel and everyday. It works really well as a personal item on a plane. Holds my 13" MacBook Pro, as well as all other items you may need on a flight. Well don Tom Bihn!

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