Built for Coast Guard-approved strength and reliability, the Dock Edge Dolphin Life Ring Buoy brings peace of mind to help you stay prepared for overboard emergencies. This rigorously tested life ring features a roto-molded design with a polyethylene shell and closed cellular-foam filling for a long life even in harsh marine conditions. Resistant to fire, oil, gas, tears, and rips, the Dock Edge Dolphin Life Ring Buoy meets or exceeds requirements of the U.S. Coast Guard, Canadian Coast Guard, and DOT. Conforms to all standards up to and including S.O.L.A.S. standard 7483. Buoyancy: 25 lbs. Weight: 6.4 lbs. Manufacturer's 7-year limited ring body warranty. Manufacturer model #: 55-143-F. Built for certified strength and reliability Meets or exceeds requirements of U.S. Coast Guard, Canadian Coast Guard, and DOT Roto-molded Polyethylene shell Closed cellular-foam filling Stands up to harsh marine conditions Resists fire, oil, gas, tears, and rips Conforms to all standards up to and including S.O.L.A.S. standard 7483 Buoyancy: 25 lbs. Weight: 6.4 lbs. Manufacturer's 7-year limited ring body warranty