Vere Gloria Men Women School Backpack Bags, Large Capacity Adjustable Back Packs for Teenager, Laptop Rucksacks for Middle High School College Students 100% polyester STURDY & DURABLE: lightweight Canvas fabric, 100% polyester lining, fine zipper to pull smoothly, delicate stitching technology. ROOMY & PRACTICAL: Main compartment with several sleeves, spacious enough to hold 3-5 textbooks, notebook, Ipad, wallet and so on; additional front zipper pocket increase the space for workbooks, pencil bag and others; two elastic side pockets are for water bottles/umbrella. COMFORTABLE & ERGONOMIC: S-shape sponge-padded wide shoulder straps and breathable back design to relieve the pressure on back and shoulders, protect your back from deformation; strengthened top handle for comfortable wear; all designed by the ergonomic principle. VERSATILE & MULTIFUNCTION: fits for teens and adults, male and female students from high school to college for their multiple and various purposes such as school, travel, office, sports, hiking and many other casual occasions GUARANTEED SERVICE: Fashion design makes it stylish, 4 colors for your choice; free return and full refund GUARANTEE. Get one now, don't miss the chance for yourself and beloved ones to enjoy a new and exciting life experience!