Micord Baby Float Toddler Swimming Inflatable Ride-ons Seat 6-24Months Soft material, care of the baby tender skin The inflatable trainer seats are designed for children who can sit on it with confidence. Double handle design,the seat gives the child the chance float freely and get used to the feel of the water. Inner diameter:25cm/ 8.8'' Suitable for children ages 6-36 Months old.