Water Horse Deep Water Flotation Aid for Water Aerobics Shaped to provide an occupant a comfortable cloth seat in the water Now in blue mesh to allow for quick drainage and loop for training with a tether Holds the body vertical for deep water exercise Padded rear seat provides soft seat with no bunching Size M fits 90% of all individuals - if your hip measurement is less than 50, this is the Water Horse for you (holds all participants, 80-400 lb. in neck deep water)