The Bumbo Booster Seat is soft and contoured that is perfect for a child to sit in an adult chair. Efficiently designed for maximum comfort and has a 3 point support and attachment straps for maximum safety. The straps are adjustable that can be attached to almost any 4 legged chair. The seat is light weight and is made up of low density foam. Can be used by children aged 2 to 5 years and can support maximum weight of 110 lb.