Life jacket - 1

1. Buoyancy material filled lifejacket, which is made of nylon or neoprene fabric and filled with buoyancy material in the middle.

 Inflatable life jackets: these are made of a strong, waterproof material, similar to the principle of inflatable life jackets or swimming rings. Points automatic inflatable or passive inflatable. However, the lifejacket should be noted: avoid sharp objects puncture or wear through the waterproof layer, air leakage can cause serious consequences.