Marine Lifebuoy 5555 1. Over 10years experience 2. Export to the European 3. Polyethylene made Marine Lifebuoy 55551. We have rich experience in this item over 10years2. We can supply you the competitive price, good quality, good delivery and best service3. Buoyancy: 1. above 14.5kg use for adult , 2. above 8.5kg use for child4. Material: Polyethylene Marine Lifebuoy 5555