Fit: Designed to fit most V-shaped, U-shaped and O-shaped toilets. Foot rest: Features a fully adjustable foot rest to help kids balance. Age: Suitable for use from ages 1-7. Comfortable: With soft padding on the seat for extra comfort. Potty training seat: Get a toddler toilet training seat! Simple: Easy to assemble and attach, and remove and fold down! | Blue Toddler Toilet Training Seat | Wowcher