Booster Car Seat For 40 Lbs & Up- GoFit Plus is designed for children who are at least 4 years old, between 40-110 lbs. and 38-57 inches tall and who can sit relatively still in the same seated position throughout the car ride. Grab & Go Convenience - The GoFit Plus backless booster is equipped with LATCH to help stabilize the seat while the child gets in and out. An innovative quick-release design means one-hand removal with a simple pull of the release handle. Contoured Seat - The ErgoBoost contoured seat with double foam padding provides support in all the right places for big kid comfort. A built-in carry handle makes it easy to transfer the child booster seat from vehicle to vehicle. Belt-Positioning Booster - Integrated lap belt guides and a shoulder belt clip ensure proper fit for your child.