Outdoor waterproof backpack

Fabric: Wear-resistant nylon fabric Size: in width 36cm  in height 60cm in thickness 20cm Weight: 1.0kg Mezzanine in the bag: 15-inch laptop Material: Nylon Hardness: Medium Capacity: 56-75L Features: Waterproof fabric, comfortable shoulder system, convenient to carry, suitable for mountaineering, hiking and camping, with layered storage bag, front zipper bag, bottom storage bag, side storage bag, 15 inch computer can be placed