The Snorkeling Vest is a must have for snorkelers and swimmers in open water. It is a simply way to keep yourself safe in the water. The bright color makes it high-visible even from afar. It has fully adjustable waist and crotch straps. Made of durable 220 Denier (a strong nylon) material with EVA (Ethylene Vinyl Acetate) coating, a special stress-crack resistant coating. An oral inflation tube provides simple, reliable operation.