There are a number of items such as your car keys, phone and camera that you really wouldn't want to be ruined by water damage. The Wanderer Vinyl Dry Bag can help with this. Place all your valuables in this bag and fasten it for instant water protection. The Sea To Summit Dry Sack will protect your valuables from sea water while boating, and is also useful in outdoor situations, such as camping or hiking, when it is raining. If you are about to go on an outdoor adventure in the wet, make sure you bring along the Sea To Summit Dry Sack.