The Sea to Summit Ultra-Sil Stuff Sack Set includes 2.5-liter, 4-liter, and 6.5 liter ultralight stuff sacks to organize gear and clothing in a backpack or bag, for any outdoor or travel adventure. Manufactured from lightweight 30D Ultra-Sil Cordura nylon, the slippery finish makes it easy to slide bags into tight spaces for better packing. A drawcord top opening with a durable pull tab provides quick and easy access to bag contents. Each Sea to Summit Ultra-Sil Stuff Sack has a round base with a reinforced webbing pull handle for easy carry. Stress points are bartacked and seams are double stitched for durability. Set includes three stuff sacks: 2.5 liter (open dimensions: 4 x 10 inches, weight: 0.5 ounces), 4 liter (open dimensions: 5 x 12 inches, weight: 0.5 ounces), 6.5 liter (open dimensions: 6.5 x 13 inches, weight: 0.6 ounces).