... on vessels sailing on the sea,and coast.StandardIn according with SOLAS 1974/1996,LSA MSC.81(70)and amendment Characteristics1 ... :Wearer can turn over to rise positon within 5 seconds,face up,with mouth at least 1200mm higher than water.Buoyancy loss ... 5% when immerse in water for 24 hours.5. Equipped with whistle and life jacket light.Specification TypeIMPACodeSizeH(cm)Suitable height ...