Belt Extender :: MA7637For increased comfort in large sizesThe belt extender enables people, with large size requirements, to use most Mustang Survival inflatables.The belt extender allows wearers with larger size requirements to use most Mustang Survival inflatable PFDs and will add 12 to the waist belt. This belt extender fits PFDs with 1.5 buckles.In Canada, wearing a belt extender voids the Canadian ULC approval for the PFD.In the United States, wearing the belt extender voids the US Coast Guard approval UNLESS the wearer has a chest size over 130cm or 52inches, in which case wearing an adult universally-sized PFD with a clip-on body strap extension DOES NOT void the approval.This extender belt does not fit inflatable PFD models with 2 webbing- this includes older modles of MD3052, MD3054, MD3082 and MD3084 and any model with the lot number beginning with a W.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.