Professional Life Jacket Adult Live Vestwith Whistle Lifejacket Aid Sea Sailing Boating Swimming Surfing Four pieces reflector on the back and front Comes in bright, easy to see orange with reflective strips Equipped with neck and waist ribbon, easy to adjust size Made of waterproof fabric material, can be effectively waterproof and increase the jacket's buoyancy in water With a whistle: You can call for help in case of emergency. Use this when out on the boat, jet skiing, fishing, and while enjoying other water sports