This advanced 3-in-1 car seat, featuring the Simply Safe Adjust™ Harness System, now keeps your child harnessed up to 70 lbs and converts to a booster seat up to 120 lbs for years of use. Higher weight limits for children 20-70 lbs forward-facing in a harness, 30-100 lbs in the belt-positioning booster and 40-120 lbs in the no back belt-positioning booster Simply Safe Adjust™ Harness System is safe & simple with a one-hand, no re-thread harness that automatically adjusts Side-impact tested* (*In addition to meeting or exceeding all applicable US safety standards, the Argos 70 car seat has been side impact tested for occupant retention solely with the built-in 5 point harness system) Engineered & crash tested to meet or exceed US standard FMVSS 213 Steel-reinforced frame provides strength and durability 3-position recline helps keep your growing child comfy One-hand, adjustable headrest easily adapts to your growing toddler’s needs EPS, energy absorbing foam for effective impact energy management Integrated child"s cupholder keeps drinks close by Contoured armrests with cup holder and storage pockets Open-loop belt guides help you correctly position your vehicle’s seat belt LATCH-equipped 29" x 20" x 22"