• Waterproof nylon fabric

• Medium size : bottom length 43cm, bottom width 16cm, height 32cm, 22 liters

• Large size :    bottom length 51cm, bottom width 16cm, height 35cm, 29 liters

• Capacity: 20-30L

• Color: dark blue, black, red line

• Package internal structure: ID bag, mobile phone bag, zipper pocket

• Open cover: zipper

• Strap root number: single

• Lifting parts: soft handle

• Function: waterproof, storage, breathable, wear-resistant, anti-theft, lightening, shockproof