When you need to compress volume without significantly adding weight, the Ultra-Sil Compression Sack is an excellent solution. Made from a water-resistant, bluesign® approved Ultra-Sil 30D nylon fabric with Non-PFC DWR this compression sack is far tougher than its weight would suggest. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items to allow space for other essentials or fun holiday items. Features Compress soft contents down by as much as two thirds Side-release buckle compression straps for fast and easy access Water-resistant, bluesign® APPROVED Ultra-Sil 30D Nylon fabric with a non-PFC DWR finish Three ultralight compression straps with two ladderlock and one side-release buckles allows easy access and reduces weight Attached flip-top lid prevents straps tangling Features: - Compress contents down by as much as two thirds - Water-resistant, bluesign APPROVED Ultra-Sil 30D nylon fabric with a C0 non-PFAS DWR finish - Achieve even compression and eliminate bulging with ultralight compression straps - the 5L and 8L include two ladderlock straps and one side-release buckle strap while the 13L and 20L include two ladderlock straps and two side-release buckle straps for maximum compression control on larger loads.