The Ultra-Sil 3L Stuff Sack uses water-resistant bluesign-approved Ultra-Sil 30D nylon fabric with a Non-PFC DWR finish for durability and light weight. It features a reinforced pull handle at the base and an easy-to-use drawcord with Capture Cord Lock. The slick fabric and secure handle allow effortless sliding in and out of packs, making it ideal for organizing gear.