Anti-lost Cute Cartoon Love Backpack For Boys And GirlsProduct information; Applicable gender: male Applicable school age: Toddlers Material: Canvas Bag size; large Capacity: 20L or less Bag internal structure: zipper pocket Opening method; hook Function: Breathable The number of shoulder straps: no shoulder straps With or without lever: Yes Style: Japanese style Pattern: Cartoon anime Color: small astronaut [suitable for 1 3 years old], medium astronaut [suitable for 3 4 years old], large astronaut