Design and inflation Inflate the buoy effortlessly by mouth or using your BCD, providing flexibility and ease of use for divers of all levels. Size: 115 cm x 12.7 cm / 45.28 in x 5.00 in. Closedcell surface marker buoy for buoyant rise above the surface. Convenient storage Equipped with a sticky strap and swivel hook for easy storage and hanging, making it a practical addition to your diving gear. Versatile application Once inflated, the closedcell SMB rises above the water surface as a clear dive warning, suitable for scuba diving and snorkeling and various underwater activities. Secure inflation valve Features a selflocking inflation valve to prevent accidental deflation during underwater adventures. Use scenarios Scuba diving: mark your position on drift dives and signal to a boat when returning to the surface. Snorkeling: indicate your location in busy shallowwater areas for safety and visibility. Training or rescue practice: practice surface signaling and marking procedures with reliable inflation.