Material: Polyester
Bag size: medium
Capacity: 36-55L
Bag internal structure: sandwich zipper bag
Opening method: zipper
Function: waterproof, breathable, wear-resistant, lightening
Strap root number: double root
Lining texture: polyester
Accessories type: backpack shoulder pads
Hardness: Medium to soft
Color: royal blue, rose red, pink, black