YASI Surface Marker Buoy Features: Self-sealing design. SOLAS-A Reflective Tape at the top. Plastic D-ring at the top. Diver Below signage and flag. Over Pressure Release Valve. Specifications: Dimensions: 142cm long x 21cm wide Rolled: 26cm wide x 8cm diameter Weight: 300g Volume: 11.1 Litres Colour: Orange