1Quickly inflate or deflate for quick storage. Diving signal marks provide you with a convenient experience. 2Using 4.5 cm TPU oneway explosionproof valve, it will automatically sealing after inflation. 3The surface marker is made of highquality materials, with good sealing performance, explosionproof, durable and not easy to damage. 4With 316 stainless steel Drings on the top and bottom to easily attach the inflatable marker to your pocket or clip. 5Bright and eye-catching colors can easily attract people's attention and enable them to quickly find their place. Condition: 100% brand new Item type:DivingSurfaceMarker Buoy Material:TPI+ stainless steel Size: Approx.120x18cm/47.2x7.1in Weight: Approx. 378g Applicable people: men and women are not limited Purpose: diving Function: signal marker 1 xDivingSurfaceMarker Buoy