The Ultra-Sil Stuff Sack is an ultralight but durable solution using a water-resistant, bluesign® approved Ultra-Sil 30D nylon fabric with Non-PFC DWR finish. Ideal for organising gear in your pack or bag, these stuff sacks incorporate a reinforced pull handle on the base, a easy to operate drawcord with Capture Cord Lock and are available in several great colours. The slippery fabric and secure grab handle at the base are for effortless sliding in and out of packs.Sea To Summit Ultra-Sil Stuff Sack 13L Features: Water-resistant, bluesign® APPROVED Ultra-Sil 30D Nylon fabric with a PFC-free DWR finish Unique tear-proof drawcord throat with two super-strong Hypalon pull-tabs for easy operation Ultralight and super-strong, bluesign® APPROVED Ultra-Sil 30D Cordura® nylon fabric has a 2000mm hydrostatic head Double-stitched and reinforced stress points for added strength and durability Slippery fabric and secure grab handle at base for effortless sliding in and out of packs