Phantom Aquatics Walrus Waterproof Dry Camping Backpack, 10 L 100% Waterproof & Extremely Durable Fully Adjustable For Superior Comfort on Men and Women of All Sizes Incredibly Durable PVC Material, Roll Down Closure for Reliable Water Resistance Equipped with Accessory Shoulder Straps and a Duffel-Style Side Handle Dimensions (Approx.): Capacity: 600 cu. in. Weight: 0.8 lbs. Laid Flat: 20 X 12 in. Closed: 16 X 12 In. Diameter: 9 in