Dry Bag SKORCH Premium Quality Backpacks – 10L Durable Watertight Sack for Your Gear and Valuables (Food, Camera, Phone, Wallet, Wetsuit) for the Active Outdoors Lifestyle – Picnic, Kayaking, Boating, Sailing, Scuba Diving, Skiing, Swimming, Paddle boarding or Camping, Protects Your Gear From Water and Sand While You Have Fun. Single Black Adjustable Strap. 8×16 inches.