Fluid Running Flotation Belt: Foam is approx. 27-29″ long x 5½ -6″ wide. Black strap is 50″ long. Belt/Strap weight is approximately 12 ounces. This high quality swim belt will fit waist sizes 26 to 50″ (the foam does not need to wrap completely around the waist for it to be effective). Important Note: THIS IS NOT A LIFE SAVING DEVICE nor is it approved by the United States Coast Guard as a life saving device.