SOLAS Lifebuoy 1)Outer Dia:720mm ,Inner Dia:440mm 2)weight:2.5/4.3kg 3)Buoyancy:more than14.5kg,CCS/EC approval SOLAS Life buoy Buoyancy is greater than 14.5Kg, weight:2.5Kg/4.3kgInner Dia :46cmOuter Dia :72cm Thickness :10cmFabric :High Density Polyethylene Packing :5 pcs /bagStandard :SOLASDelivery Time: Depends on order