LARGE CAPACITY: Size: 12.9 inch X 7.8 inch X 20.4 inch. 40L space suitable for 2-3 days of hiking or camping. Large capacity helps you easily organize all your essential items.Such as tent, sleeping bag, trekking poles, clothes, climbing shoes, umbrella, iPad, laptop, cup, shampoo, toothbrush, rope, food, etc.WATERPROOF: Made of high quality Nylon Fiber,…