Deluxe 50lbs lift bag for scuba diving and snorkeling. Trapezoidal shape means more air at the top, creating a shorter, lower profile bag. Intended for lifting heavy objects. Internal dump valve with pull cord that is used by the diver ascending with the bag to control ascent rate. Open design means air will vent out the bottom in case of a rapid ascent. Specification:

Material: 210D Nylon Size (LxW): Approx. 70 x 54 cm/27.56 x 21.25 inch, Please check the picture for details OPV: 12.5px Reflecting strip: 1 inch