50# OxyCheq Lift Bag - Yellow This is a 50# OxyCheq Lift Bag. This is a nice size bag to keep on you incase you come across something that is just too good to leave on the bottom. 50 Pound Lift Bag with over Pressure Relief Dump Valve on upper section. High Visibility Yellow In color. Open and wide enough in the bottom to allow filling with second stage regulator when deploying. The opening in the bottom is fluted to keep air from burping out when the lift bags hits the surface of the water.