Compress and protect your gear with the Sea to Summit Large Compression Sack made from heavy-duty 210D PU-coated nylon. Flip-top-lid design prevents straps from tangling. Sack made of heavy-duty 210D PU-coated nylon. Four straps for even compression and to eliminate bulging. Extra-long straps so its easy to fill sack to maximum capacity. Nylon webbing pull handle on bottom makes it easy to remove contents. Volume: 1220 cu. in. (20 L).