Dale Earnhardt Jr. Combination Booster Car Seat is designed with extended use, five-point harness and larger seat accommodate kids 22 to 65 lbs- Booster seat fits 30 to 100 lbs.; Easy-to-install LATCH connectors have a quick push-button attachment/release; One-handed harness adjustment, just one pull for a snug and secure fit; Patented 2-position crotch strap lengthens to accommodate growing kids; Built-in belt guides; 5-point harness design was developed in partnership with the European company Sabelt supplier of safety harness systems to NASCARand Formula One race teams. Straps also have padded covers for added child comfort; Contoured seat shell with two-position recline is shaped to support child"s spine and legs in comfort, even on long car rides; Deeper seat and deeper "wraparound" headrest provide superior side-impact protection; Seats are equipped with high-density EPS foam which absorbs energy in the event of a collision; Seat cover can be easily removed and is machine washable; Headrest adjusts to three different positions to better fit your kids as they grow; Dual cup holders fit most Sippy cups and have an open-bottom design that won"t collect loose objects which could be hazardous; High-impact thermoplastic seat shell is engineered with ribbing and reinforcements for added extra strength and superior protection during a collision; Patent-pending high-position top tether system controls forward movement of the child"s head during sudden stop or collision.