Fitness bag football backpack

specification:
Normal version [25x45x23cm]
Upgrade [25x45x23cm]
Large upgrade [30x50x28cm]
Thickening [25x45x23cm]

Material: Nylon
Strap root number: double root
Lifting parts: soft handle
Function: Waterproof, breathable, wear-resistant, anti-theft, lightening, shockproof
Processing method: printing
Lining texture: polyester
pattern: plain
Hardness: medium soft