The Graco 4Ever DLX Slim 4-in-1 Car Seat grows with your child from 4-120 lb and provides 10 years of use from one car seat with a slim, space-saving design. Save space in your back seat, while giving your child plenty of room to grow. It has a 10% slimmer design at the cup holders than 4Ever DLX to save precious back seat space. Our easy installation SnugLock technology works in rear- and forward-facing modes to get your seat installed in less than one minute* using the vehicle seat belt or LATCH. The 4-in-1 car seat is comfortable for your child and convenient for you as it transitions from a rear-facing harness (4-40 lb) to forward-facing harness (26.5-65 lb) to highback belt-positioning booster (40-100 lb) to backless booster (40-120 lb). The No-Rethread Simply Safe Adjust Harness System allows you to adjust the height of the headrest and harness in one motion for just the right fit. We included our push-button InRight LATCH, which provides an easy, one-second attachment with an audible click to help ensure secure installation. The 6-position recline smoothly adjusts to help with installation and keeping your child comfy. The Rapid Remove cover is machine-washable for easy cleanup and features fuss-free harness storage to hold the harness out of the way while your child gets in and out. Removable plush head and body inserts help to keep your infant feeling cradled and comfortable. Steel-reinforced frame provides strength and durability for years of use. The car seat is Graco ProtectPlus Engineered to help protect in frontal, side, rear, and rollover crashes. *Based on average time to buckle or latch, remove slack, and lock for secure install