The Safety 1st Basic Booster Seat is intended for children who are able to sit up unaided and is suitable up to 3 years or a maximum weight of 15 kg. It includes a three-point safety harness which can be adjusted as your child grows. Only use this product on a chair with the following minimum dimensions: seat 35.5 x 34 cm; height of the backrest 22 cm. Why Buy Me? Suitable from approx. 6 months to 3 years (maximum 15 kg) Designed so that a toddler can sit at a dining room table Two built-in adjustable chair straps for added security Adjustable three-point safety harness to safely secure your child Quick and easy to install and use Rubber grippers on the underside of the seat for better stability Simple to clean with sponge and mild soap