Welded and double stitched 30kg / 80 lb lift capacity Available only in safety-Orange color easy to spot by surface or air traffic One-way valve for LP connector Stainless Steel D-ring on top and bottom and bungee attached on the bottom Over-pressure valve (OPV) allows for precise adjustment during lift operations with long pullerMAIN FEATURES:Essential for a range of diving activities: from salvage and signaling to redundant lift and emergency flotation Provides the most reliable source of redundant buoyancy at depth or on the surface Eliminates the chance that gas will escape from your lift bag during ascent or while on the surface