Removable seat back insert helps position your growing child at the table and can be used interchangeably with the Toddler Booster or Youth Chairn3-point harness helps keep toddler securely seatednTwo seat installation straps attach toddler booster to kitchen chairnCan be used with Blossom 4-in-1 Seating System to convert into infant feeding boosternThe (Toddler Booster) is the first toddler booster with an adjustable seat back insert to help position your child a comfortable distance from the table. Its compact design makes it perfect for meals at Grandma's house and the two seat installation strap