The Ultra-Sil Stuff Sack set is an ultralight but durable solution using a water-resistant, bluesign approved Ultra-Sil 30D nylon fabric with Non-PFC DWR finish. Ideal for organizing 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 colors. The slippery fabric and secure grab handle at the base are for effortless sliding in and out of packs.