Stone Glacier's Compression Sack provides a space saving, weather-resistant storage option for tents, clothing, sleeping bags and more. The sacks are constructed of waterproof ripstop fabrics and come in three sizes specialized for Grumman down apparel, 1P or 2P SG tents, and Chilkoot Sleeping Bags to optimize efficiency, organization, and protection from the elements for your pack system. Compression Sack Available Sizes: XS (6L / 15”x5.5" / 2.1 oz.) – Fits Grumman Down Jacket & Pant / Chilkoot 32° Quilt / Sky Solus 1P tent (excluding poles & stakes)S (10L / 19”x6.5" / 2.5 oz.) – Fits Chilkoot 15° Sleeping Bag / Skyscraper 2P tent (excluding poles & stakes)M (14L / 19”x7.5" / 2.7 oz.) – Fits Chilkoot 0° Sleeping BagNOTE: Seams are not taped, allowing air to escape for easy compression. Compression sacks are highly water-resistant inside of a pack. Stone Glacier Compression Sack 70054-BK, Small