When you need to compress your gear without adding weight, Ultra-Sil Compression Sacks are the perfect choice. The size range has been updated with two extra small sizes ideal for compressing and storing down jackets and other clothing. Product Specifications: 30D diamond ripstop siliconised Cordura fabric Flip-top-lid design prevents strap tangling Four straps for even compression Extra long straps so these sacks can be filled to capacity Bar tack reinforced stress points Pull handle on the bottom Slippery finish for easy packing.