15cm wide - 1.8m long - 12kg lift Welded and double stitched Top transparent wet notes/calumet sliding area Marked with Coast Guard approved SOLAS reflective tape One-way valve for LP connector or 1 breath inflation Stainless Steel D-ring and bungee attached Over-pressure valve (OPV)MAIN FEATURES:Integrated pressure-relief valve, allowing them to be deployed from depth One-way valve for oral inflate or LP hose connection - easily inflated at depth Available in yellow or orange: one color to mark position and one to mark emergencies...>Inflate at the surface to attract attention or at depth to send up as a surface marker. Reflective tapes on the top Dedicated top transparent wet notes sliding area When deflated fits in a thigh pocket or backplate storage area