Take the guesswork out of what’s packed inside. See Bags are made with 19 oz. transparent vinyl, so you can quickly find what you need. A heavy-duty 19 oz. black bottom protects against abrasion. See Bags close with our watertight Dry Seal roll-down closure and have a secure D-ring attachment. Available in four sizes. * Roll-Down Dry Seal Closure * 19 ounce Vinyl Sides * Heavy Duty 19 ounce Vinyl Bottom * Clear sides so you can see what's inside Dry Seal™ Closure Made with continuous double sealing strips, our roll-down closure is more waterproof than any other. Instructions are embossed directly on the strips, making it easy to get a reliable seal. Simply fold the top of the bag downward between the strips, squish out any trapped air, fold a couple more times, then buckle. See 30: Weight: 18 oz./510 g Volume: 1950 cu. in./32 liters Size: 11 in. dia. x 19/28 x 48 cm See 20: Weight: 14 oz./400 g Volume: 1170 cu. in./19 liters Size: 9 in. dia. x 16/23 x 41 cm Color: smoke-tint, gold-tint, or blue-tint See 10: Weight: 10 oz./280 g Volume: 620 cu. in./10 liters Size: 8 in. dia. x 14/20 x 36 cm See 5: Weight: 6.5 oz./1180 g Volume: 280 cu. in./4.5 liters Size: 7 in. dia. x 8/18 x 20 cm