Originally designed to compress and carry Austrian military sleeping bags in the field. But just as capable of packing down clothing, blankets, or any bulky gear that needs to travel small. The locking drawstring top keeps contents secure, while 1" web belts let you cinch the load down tight for maximum space savings. 100% polyester nylon Locking drawstring top 1" web belts secure load Plastic hardware 10" round x 22" long