This buoyancy aid with a performance level of 100 and is a perfect personal flotation device when you go sailing, surfing, boating, swimming or practising other water sports. The buoyancy aid is made of 100% polyester with PE foam padding. It has durable and smoothly-running YKK zips. The three reflective stripes increase visibility, especially at night. The adjustable waist belt ensures the proper fit so the vest will stay in place, even when a child or an adult falls into the water. The buoyancy aid is also equipped with a useful whistle for emergency situations. The buoyancy aid has been tested by a notified body according to the European standard EN ISO 12402-4. The buoyancy aid is intended for situations in which you have to wait for rescue in sheltered waters. The device should not be used in rough conditions.