Backpack male large-capacity bag backpack han edition female tourism climbing BaoHu outside waterproof leisure computer bag

Describe：
Can accommodate computer size: 15 inches fold: is
Material in the material: nylon
Waterproof: water
Quality of a material: nylon
Outside the bag bag types: patch pocket inside
Presence of sandwich:
The trumpet: 51 * 31 * 16 cm
large：57*34*18cm