The Ultra-Sil Stuff Sack is an ultralight, durable organizer made from water-resistant, bluesign approved Ultra-Sil 30D nylon with a Non-PFC DWR finish. It features a reinforced pull handle at the base and an easy-to-operate drawcord with a Capture Cord Lock. The slippery fabric and secure grab handle allow effortless sliding in and out of packs.