Used about 3 times. I think it can still be used without any problems. Please consider this item only if you understand that it has been handled by another person. From the official website: PAPERBACK POUCH STANDARD EO BLACK MONOLITH remixed by everyone MATERIAL: Ballistic AIR 420×840D SIZE: 160.0×230.0mm CAPACITY: 0.6L WEIGHT: 0.1kg DEVICE: 160.0×110.0×10.0mm COUNTRY OF ORIGIN: CHINA MADE IN JAPAN