Casual Lightweight Reinforced Water Resistant Canvas School Backpack ( Shark Fin Fish Design ) Durable canvas and polyester lining, environmental, sturdy and safety; Great for primary school / kindergarten kids/students that age 6-12, 13" L x 8" W x 17" H 3D mesh breathable straps design, effectively relieve shoulders pressure from the book bag; 3D mesh with 10mm pearl cotton auxiliary material ventilation back design, thickness sponge effectively relieve pressure and decompose back's loads from the book bag Large capacity design with 1 main pocket for A4 A5 books, pencil case, color pen, daily use; 2 side pockets for bottle or umbrella; 2 front pockets for small stationery; 1 internal zip pocket for phone or change; 1 sandwich pocket for 8 inch tablet Three layers of back comfortable system: the first is breathable mesh system, the second is widening delivery system, the third is decompression seismic system Practical, beautiful, color block design for you kids. Your kids will beg to go to School just so they can wear their beautiful backpack.