WQ/09/503/03/2121a. The life vest is made by a CE certified company in Europe. The life vest is made to certified safety standards. The CE certificate number is 89/686/EEC and the product certification number is WQ/09/503/03/2121a. The waterproofing material is made by Formosa Rubber Inc. The automatic/manual inflator is the UML MK5 from England and is produced according to ISO12402-3 safety standards. The vest is an inverted U-shape and ensures that the wearer stays face up in the water. The buoyancy rating, the positioning of reflective strips, the material used, whistle, and the 1000lb airlift belt and buckles are all made to SOLAS standards Lifevest