The Self-Seal Dry Bags + is the latest innovation in dry bags. Their unique static seal ensures an water and air tight seal. Use it 3 ways: As a dry bag to keep your items dry; as a float bag; and as a compression bag. Capacity: 13 liters * Product Material: PVC * Product Weight: 0.75 lbs. * Multi-purpose: compression, float and dry Bags * Easy to seal * Large 13 liter * Waterproof, compression, float, water sports, outdoor activities, camping