This is the Hollis C60 LX Wing 60 Lb Single Wing Scuba Diving BCD/BC Buoyancy Compensator Features: Welded flange and one piece retainer for servicing without the need for tools Outer shell constructed of HD Laminated 1680D Cordura 420 nylon internal bladder Centrally located elbow to avoid tank valve/regulator interference Lower left pull relief valve Cam band slots Hollis LX Wings are made of 1680D Cordura for the exterior bladder and 420-nylon for the internal bladder. The LX design also includes a 360° internal retraction system. Streamlined and rugged air cell that has a new oval corrugated hose on the power inflator mechanism, redesigned overpressure relief valve (OPV) and corrosion resistant stainless-steel grommets to replace the mesh on the bottom of the wing. Centrally located inflator mechanism elbow to avoid tank valve/regulator interference, lower left pull dump/overpressure relief valve and the inflator system. The LX Wing is equipped with cam band slots for cylinder mounting. The wing is available in 2-models a single wing or dual wing both with lift capacities of 60 lbs. (27.2 kg).