anmeilu 20l bicycle backpack,moutain hiking climbing bag,bike rucksack with rain cover,waterproof cycling backpack no water bag mx200717

item info anmeilu 20l bicycle backpack,moutain hiking climbing bag,bike rucksack with rain cover,waterproof cycling backpack no water bag backpack info: full size(l*w*t): 50*28*16cm /19.7*11*6.29inch(waistband is adjustable to max 140cm) material: waterproof nylon lining: polyester color: gray, black, blue, black weight: 0.86kg water bag info: material: tpu tempreature: -20 to 50 celsius (don't inject boiled water) color: blue capacity: 2l size(l*w): 38.5*16.5cm/15.16*6.5inch we...