These lightweight dry bags are made with tough low-friction nylon, radio-frequency welded seams, and are shaped to slide easily into tight spaces. They have a Dry Seal™ roll-down closure and D-ring attachment. Kodiak Tapers are shaped to fit sea kayak bulkhead compartments for the most efficient use of space: Taper 35 in. stern, 20 in. bow. To ease stuffing, excess air can be squeezed out of a purge valve at the bottom of the bag. Kodiak Taper 35 Wide: Weight: 11 oz./310 g Volume: 2080 cu. in./ 4 liters Size: 7-12 in. dia. x 30/18-30 x 76 cm Color: yellow Kodiak Taper 35 Long: Weight: 11 oz./310 g Volume: 2080 cu. in./34 liters Size: 5.5-11 in. dia. x 39.5/14-28 x 100 cm Kodiak Taper 20: Weight: 6 oz./170 g Volume: 1220 cu. in./20 liters Size: 5-8 in. dia. x 30.5/13-20 x 78 cm Color: yellow