The Ultra-Sil 1.5L Stuff Sack uses water-resistant, bluesign® approved Ultra-Sil 30D nylon fabric with a Non-PFC DWR finish. It is ultralight and durable, ideal for organizing gear in a pack or bag. Features include a reinforced pull handle at the base and an easy-to-operate drawcord with Capture Cord Lock. The slick fabric and secure base handle allow effortless sliding in and out of packs.