This model is one of marine inflatable life jacket series and is suitable for vessel crew, dock work, nearshore operations, boating, fishing, sailing and general marine safety use. It equipped with dual air chambers, manual inflation pull tab, and automatic inflation mechanism. Its buoyancy is available in 150N or 275N options to meet different safety requirements. The outer cover uses durable fabric for practical marine use, offering a good balance of comfort, durability, and brand presentation.