Size of Astronaut Backpack for Boys: L 11.41 W 5.51 H 18.11 inches; L 29 W 14 H 46 cm; comes with a astronaut pendant; the kids backpack is a charming and functional choice for young space enthusiasts; the design is playful and captures attention Multiple Pockets: The boys backpack is sturdy and lightweight with plenty of room for his school supplies; big enough main pocket for regular notebooks; folders; lunch bag; clothes; four front pockets can hold essentials and small items for easy organization; two side pockets for holding water bottle Material: The boys backpack is nylon fabric; sturdy polyester lining; multi-stitch reinforcement; lightweight; water-resistant; the durability ensures it can withstand the wear and tear of daily use; this is a pretty decent backpack for elementary kids Comfortable to Carry: Kids backpack with paaded handle; adjustable S shoulder straps; straps and back are breathable mesh padded; chest buckle for added support; also allow the kid to be active without worrying about the straps slipping from the shoulders Versatile: The boys backpack is a practicality option for elementary school students for school; daily; outing; travel; camping and hiking; cool astronaut space bookbag that most kids really like; your kids will get compliments from his friends and will happily use backpack in whole the school year