-Material

Inside Foam Core to maintain buoyance, outside polyester fabric to have comfortable contacting

-Performance

1) Buoyancy is more than 103N to provide basic holding mouth above the water

2) The decrease less than 5% with 24hour dip in fresh water

-Standard

Requirements of 1996 Amendments to SOLAS 1974 and LSA Code and Resolution MSC.81(70)

-Adult Usage

1) Marine working

2) Flood rescue and necessary self-protection