•【Durable 40D Nylon with Waterproof Coating】 Made from premium 40D nylon with a silicone waterproof coating, this compression sack provides superior protection against water and abrasion, ensuring that your gear stays safe and dry during outdoor adventures •【Efficient Compression with Adjustable Straps】 Featuring a powerful compression system with four adjustable side-release straps, this sack allows you to compact your items by pressing and tightening for easy and efficient storage, freeing up space in your pack •【Secure Cap Closure to Keep Out Dust】 Designed with a protective cap-style closure, this compression sack prevents dust and debris from entering. The cap helps avoid issues like popped seams or slippage, ensuring your items stay secure during transport •【Reinforced Heavy-Duty Buckles】 Equipped with durable, adjustable buckles, this compression sack provides long-lasting strength, making it ideal for both short trips and extended outdoor use. These buckles are made to handle repeated compression and heavy loads with ease •【Multiple Colors and Sizes Available】 Offered in a variety of colors, this compression sack meets diverse personal style preferences, making it a versatile and practical choice for any journey Specifications: •Material: 40D nylon coated with silicon •Product size: M •Capacity: 9L-18L •Usage size: height 32-50cm*diameter 21cm •Can hold down sleeping bag: filling volume 1000-1500g (not the total weight of the sleeping bag) •Can hold cotton sleeping bag: total weight within 800-1300g Package included: •1 x Compression Stuff Sack •Not include sleeping bag