Thicker & Reinforced Materials 2022 back to school heavy duty clear backpack is made of Strong 0.5mm PVC plastic, thicker PVC than 70% clear backpacks on the market; Waterproof and Wear-resisting quilted nylon bottom adds extra loading capacity for heavy stuffs inside; see through and quickly see what you want, no need to rummage; The maximum load-bearing capacity is approximately 60 lbs.Durable Clear Book Bag The large clear backpack allows you go through stadium or airport security fast; Perfect 2022 clear backpacks for school! Also fits college, sporting events, concerts, airports and travel; Great for high security workplace where requires new clear bag policy.Perfect Gift Clear Back Pack Perfect gift for your family and friends! Carrying the whole world you want on your back!