Compress and protect your gear with the Sea to Summit Small 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: 610 cu. in. (10 L).