US Coast Guard-Approved Type-V II peformance personal floatation device (PFD) with 26lbs of buoyancy. Low profile life vest with adjustable sizing for sailing, angling, paddling, & general boating. Automatically inflates upon water immersion via replaceable CO2 cylinder (includes 1 cylinder with purchase) or manually with a pull of the “jerk to inflate” cord or back-up oral inflation tube. 40lbs of buoyancy.