100% Nylon Ultra-lightweight, water-resistant 13-liter compression stuff sack squishes down bulky gear and clothing by as much as two thirds to maximize packing space in a backpack, suitcase, or duffle Manufactured from bluesign-approved 30D Ultra-Sil Cordura nylon with a non-PFC DWR finish; slippery fabric makes it easy to slide bags into tight spaces for better packing Attached flip-top lid prevents tangled straps; compresses evenly with three straps featuring two ladderlock and one side release buckle Round base has a reinforced webbing pull handle for easy carry; seams are double stitched and reinforced at stress points for added strength and durability 13-liter compression sack measures 8.1 x 17 inches and weighs 0.18 pounds; volume is 13 liters