1. My Clear Backpacks and Bags have a superior thickness (5 Mil.) of PVC; and the Mesh backpacks are also highly rated rip-stop nylon–which makes all of our backpacks and bags “Ultra-durable”. 2. My Clear Backpack has a bigger opening, so that you can load your books (and stuff) easier- you can literally lay the backpack on its back and load it like luggage. 3. My Clear Backpack backpacks (both clear and mesh) have premium padded shoulder straps. 4. My Clear Backpack Roller bags and packs, have handles that extend to 40 inches- that way adults can use them. 5. My Clear Backpack items have a 5 YEAR WARRANTY. 6. My Clear Backpack backpacks and Bags can hold up to 40 pounds. 7. My Clear Backpack utilizes “Super-duty” Zippers. 8. My Clear Backpack offers double nylon corded seams- not cotton- which can break. 9. My Clear Backpacks and Bags were “over-engineered” (designed) by dads, with the help of moms, and kids- and then ultimately “sanity checked” by teachers and industry experts.