The Scubas diving Surfaces marker is eye catching accessory with its unique pattern that stands out nice underwater, making it easy to spots on water Surfaces. This dives Buoys is easy to use and store. You can quickly inflate or deflate it after use and fold it into a compacts size. A dump valves will allow any excesses air to escape, quickly deflate after using for storage. These flotation devices make Scubas diving safe as they let people on the Surfaces see general location of diver from far. equipment for Scubas diving, snorkeling, spearfishing, and other underwater activity.