Ring Buoys - Life Manufactured marine life rings are under the strict codes of the United States Coast Guard, these ring buoys are classified as U.S. Coast Guard Approved, PFD Type IV unless otherwise indicated on some economy models. Made from solid closed cell plastic with a metal ring molded inside for durability and balance. Buoy surface resists weather and temperature extremes and features an integral rope for easy handling.TAYLOR MADE - Ring bouys: Contain unicellular polyurethane foam. Features floating polypropylene grab lines with UV Stabilizers, secured inside the foam core. Molded-in becket design means there are no straps to wear, mildew or deteriorate. Choice of vinyl or hard shell polyethylene skin. All rings meet USCG Commercial approval. SOLAS approved models equipped with reflective tape. For over forty years Jim-Buoy has been providing a wide range of marine and pool safety products to boaters and swimming pool enthusiasts everywhere. Jim-Buoy offers both leisure products for the water and a great selection of lifeguard equipment. Jim-Buoy lifeguard ring buoys or life guard safety rings and life ring cabinets improve safety around the water while providing convenient storage at the same time. They also offer lifeguard rescue cans and rescue tubes as lightweight accessories for lifeguards. The Jim-Buoy spine board is a necessity at any pool in case of a serious injury to a swimmer or diver.