Jurassic dinosaur hot backpack primary and secondary school students wear-resistant burden reduction bag 3D printing a generation of factory direct sales

This Jurassic dinosaur hot backpack is perfect for primary and secondary school students. It features 3D printing, wear-resistant construction, and a burden reduction design. Order direct from the factory and benefit from excellent quality and durability. ag size: medium Capacity: 20L or less Package internal structure: computer pocket Opening method: zipper Applicable gender: neutral / male and female Material: Polyester Whether with lock: No With or without rain cover: None Function: waterproof, breathable, wear-resistant, anti-theft, lightening, shockproof Processing method Hardness: Medium Lining texture: polyester Accessories type: handle Strap root number: double root Popular elements: printing Lifting parts: soft handle Outer bag type: Open pocket Bag shapes: square vertical section Colors: 1A, 2B, 3C, 4D, 5E, 6F, 7G, 8H, 9I, 10J, 11K, 12L, 13M, 14N, 15O, 16P, 17Q, 18R, 19S, 20T, 21U, 22V, 23W, 24X, 25Y,26Z,27,28 Size: 16 inch single layer backpack Material: h