The Sea to Summit Ultra-Sil Stuff Sack is an ultra-light yet robust solution made from water-repellent, bluesign-certified Ultra-Sil 30D nylon fabric with PFC free DWR coating. The pack sack is ideal for organizing gear in your backpack or bag. It features a reinforced pull handle at the bottom and an easy-to-use drawstring with capture cord lock. The fabric and secure handle at the bottom ensure effortless insertion and removal of the backpack. The ultra-light and super strong, bluesign certified Ultra-Sil 30D Cordura nylon fabric has a hydrostatic head of 2000 mm. Double stitched and reinforced stress points for added strength and durability. Unique tear-resistant drawstring with two super strong Hypalon pull tabs for easy operation. Slippery material and secure handle. At the bottom for effortless entry and exit. Water-repellent, bluesign certified Ultra-Sil 30D nylon fabric with PFC-free DWR impregnation