Onyx M-24 SUP Belt Pack Manual Inflatable Life Jacket (PFD). Unique design for Stand-Up Paddleboarding! U.S. Coast Guard Approved Type V Life Jacket / Personal Flotation Device PFD with Type III Performance. Inflatable life jacket inflates by manual activation or oral inflation. Convenient, compact belt pack style allows for total freedom of movement when fishing, flatwater paddling, stand up paddleboarding (SUP), sailing, recreational boating and hunting. Provides comfort, safety and peace of mind without knowing you have it on, until you may need it. Zippered pocket for convenient storage of keys, cell phone, license, etc. For replacement CO2 cartridge, use Onyx Rearming Kit K301.