gh-quality adult life buoy: 2.5kg polyethylene foam ensures buoyancy and durability. ideal for marine activities versatile life-saving equipment: ccs certified, suitable for swimming, boating, and water sports bright and visible design: polyethylene plastic enhances buoyancy and makes the buoy easily noticeable in water portable and lightweight: compact size and easy-to-carry handle for convenience safety guaranteed: meets international safety standards, ensuring peace of mind during water activities