Backless booster car seat: 40–100 pounds and 43” to 57” in height Wide base and covered higher arm rests make it easy for kids to buckle themselves in Stable platform designed to let kids get in and out of the seat without it tipping Includes shoulder belt positioning clip for a customized fit Fits 3 across in the back seat of most vehicles Lightweight and easy to move from car to car Machine washable and dryer safe seat pad