Moonwind Boys Backpack for Kids Elementary School Book Bags Folding Schoolbag High Quiality Delune Boy's Backpacks for School for Kids Humanized zipper around unfold design for easy carry, like a trip to the zoo, playing at the park or any other outdoor activities... With chest strap and waist strap design for relieving shoulders burden Cool boys backpack with 600D high density of waterproof Nylon fabric and jacquard material, antibacterial, ergonomic, water-resistant, comfortable, wear-resistant, and easy to clean... Large capacity and multi compartments for easy use and arrange, 1 main pocket for books, 1 vice pocket with pen scoop for stationery or daily use, 3 mezzanine pockets for books,crayon and other stationery, 2 side pockets (22cm/8.6) for bottle or other personal belongings(More details please kindly check picture) 3D comfortable ergonomic relieve burden and heat dissipation system, full-thickness breathable massage cotton cushion, S type fit strap, strong sponge back design provide comfortable experience and prevent fro spinal scoliosis, inclined shoulder, hunchback, spinal deformation; 3 layer of comfortable system: breathable mesh system, widening delivery system, decompression seismic system Size:(L*W*H) 28*15*36 CM / 11*5.9*14.2 inch, side pocket: 22 cm / 8.6 inch height; please note the size before ordering