backpack - You'll definitely see more products with Clear Urethane Vinyl. But, sadly, probably not full-size Packing Cubes - the Clear Vinyl is a much heavier in weight material than the Dyneema. I will post your review of your Clear Quarter Packing Cube on the blog.
timothy - There's various levels of quality of clear vinyl. We use the highest-quality Urethane clear vinyl (we used to use PVC but switched to Urethane because it's more "green".) We've tested it every which way we can think of - it's pretty tough stuff. Not as tough as ballistic nylon, but plenty strong for
Clear Organizer Pouches,
Clear Bottom Yarn Stuff Sacks,
Clear Quarter Packing Cube, the
Swift, etc.