Designed for the time between a high chair & a regular chair, the Simply Good Booster Cushion will fit most chairs & it suitable from 2 years. With extra strong adjustable straps & buckles, it can easily & safely be attached to any chair & it won't slip & slide about. The compact design is ideal to be used at home or for taking out & about to restaurants or for overnight stays. Durable synthetic cover can be removed & machine washed.