Material: The compression bag is made of premium 600D nylon, with strong tear resistance and powerful waterproof. The belt is made of high density nylon, resistant to wear and tear Size M: 44cm x 22cm; I : 45cm x 26cm; XL: 64cm x 31cm. You can choose the size according to the amount of luggage you put inside Functional: it is composed of a storage bag and a compression belt, with a large drawstring Tightening. The volume of luggage can be compressed to small size by tightening the belt Compact: the storage bag can store sleeping bag, clothes, duvets, bedding, blankets, pillows, curtains, shoes and anything else you need Wide Uses: Suitable for camping, hiking, traveling, trekking, cycling and other outdoor activities. The handle on the top makes it easy to hold