Keep your gear compact with the Sea to Summit(R) Compression Sack. The flip top lid helps to prevent the straps from tangling. This sack is made of durable coated nylon and has four straps to eliminate bulging. The extra-long straps allow you to fill the sack to full capacity. With a nylon webbing pull handle on the bottom, you get the convenience you need. Carry your gear without the bulk with the Sea to Summit Compression Sack. FEATURES: Flip-Top-Lid design prevents strap tangling Made of 70D PU-coated nylon 4 straps for even compression and eliminates bulging Extra-long straps to fill these to max capacity Nylon webbing pull handle on bottom Model: 172Y S 10L: S 10 Liter Length: 7" Height: 16" Weight: 4.5 oz. M 15L: M 15 Liter Length: 8" Height: 18" Weight: 5.5 oz.