Cute printed dog waterproof backpack for elementary school students $ 13.78 Applicable gender: neutral/male or female Applicable age: primary school Material: polyester Case size: medium Capacity: less than 20L Internal structure: Sandwich zipper bag Open cover: Zipper Function: Waterproof Number of straps: double Pull rod or not: No Style: Cartoon is cute With or without rain cover: None Lining texture: polyester Pattern: Puppy dog Popular elements: Prints Accessories: Backpack shoulder pads Lifting parts: shoulder straps Suitable for occasions of gift giving '; The opening ceremony