Sea to Summit Compression Stuff Sacks are available in 5 sizes from 6 liter to 30 liter. They have a flip top lid design which prevents straps from tangling. Nylon webbing pull handle on bottom. Flip top lid design prevents strap tangling Heavy Duty 210 D PU coated nylon Four straps for even compression, eliminates bulging Available in assorted colors only. Actual color shipped will vary.