Premium Quality Materials & WATERPROOFMade of high quality, lightweight polyester fabric, our Teenage Girls' Backpack are Strong, elastic and durable. And its waterproof, breathable, tear-resistant. It can protect all items in the school bag from drizzle.Convenient USB charging + Headphone Jack DesignWell-designed, practical and convenient Schoolbag can make you charge while walking, it totally freeing your hands.PRACTICAL DESIGN: Durable and breathable straps, the fabric is comfortable and lightweight to dissipate heat and decompress.LARGE CAPACITY: Large shool backpack size :11.42 x 6.3 x 18.11 inches. The large main compartment is suitable for storing your books, pen boxes, lunch boxes, computer, etc. The divider in the main compartment fits your laptop. The front pocket is ideal for ID cards and keys, and the two side pockets have space for water and a small umbrella.QUALITY ASSURANCE: 100% MONEY BACK GUARANTEE: If you are not 100% satisfied with our product, we offer a 30-day money back guarantee and life time replacement for defective items, its nice birthday gifts, Daypacks, work backpacks, schule backpack, practical gifts for teenagers, can be used anywhere every day. So what are you waiting for