This is a snorkeling 3-piece set for travel. Includes fins, snorkel, and mask. Fin size: M - For bare feet/socks: 22-25cm - For marine boots: 20-23cm Ideal for women and children. Used once on a trip and then stored for a long time. There are some scratches from use, but it's lightweight, compact, and easy to carry. Please understand that this is a used item before purchasing. Snorkeling Summer vacation Sea Pool Leisure Swimming Camping River play