The Hoverfish Regular measures 3.0” inner diameter and 15“ outer diameter. Made of medical grade safety foam, it is latex free and has two U.S. Coast Guard approved locking, quick connect mechanisms with adjustable straps on the top side of the float to ensure a safe fit. The Hoverfish Regular fits babies between the ages of 9 weeks and 6 months, or 8 pounds to 20 pounds. These are approximated ranges. Proper fit must be determined for each individual baby at the time of floating. Proudly manufactured in the USA. One year guarantee. Not authorized for resale. Clean with warm soapy water, rinse and dry after each use. Always review the instructions for use prior to using.