ABRASION-PROOF,WATERPROOF: The kids backpack is made of durable, waterproof Oxford fiber, light weight, wear-resistant,durable,Parents no longer have to worry about their children's textbooks being wet by the rain LARGE CAPACITY: bookbags size is 6.9*7.08*12.59IN. Enough to accommodate all the school supplies or daily necessities needed by children .Easily summarize your belongings, and travel is convenient, simple and orderly. The large-capacity main pocket can hold textbooks, magazines and A4 documents, and the computer compartment can safely hold 15.6-inch laptops and iPad tablets; 1 front zipper pocket for easy access to essentials; 2 elastic side pockets for storage Bottled water and umbrella. COMFORTABLE AND PRACTICAL: Children's backpack is ergonomic. Adjustable padded shoulder straps take the strain off the neck and shoulders. The breathable material on the back makes the backpack teenager comfortable to wear and does not sweat when it is worn for a long time. The fashionable pattern of shark schoolbag looks very cool and cute CHARACTERISTIC: The leisure backpack has a built-in USB charging port and a built-in charging cable. You need your own mobile power supply and USB cable to charge and enjoy convenient charging effect. When listening to audio, music, etc., the headphone jack can release both hands. After-sales service: It is recommended for children at least 6 years old.We will refund or exchange free of charge if there is a quality problem within 6 months from the date you receive the goods.