The Ultra-Sil Stuff Sack is an ultralight but durable solution using a 30D siliconized Cordura® fabric. Ideal for organizing gear in your pack or bag, these stuff sacks incorporate a reinforced pull handle on the base, a durable pull tab at the top and are available in several great colors. The slippery exterior means they slide down into tight spaces easily. • Best use: Pack organization. • Made of 30D Diamond Rip Stop Siliconized Cordura®. • The fabric is impregnated with silicone to make it waterproof to a hydrostatic head of 2000mm. • The fabric has a slippery finish for easy packing. • Reinforced pull handle on the bottom. • Uses the smallest possible cord and cord lock for top closure. • Bar tack reinforced in all stress points. • All seams are double stitched for extra strength. Dimensions. • Volume: 13L.