4-in-1 car seat gives you 10 years of use: seamlessly transforms from rear-facing harness (4-40 lb), to forward-facing harness (26.5-65 lb), to highback booster (40-100 lb), to backless booster (40-120 lb) Graco ProtectPlus Engineered to the newest testing standards for side and frontal impact, and beyond—because the safety of your child shouldn’t stop at the standard No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion Choose the perfect headrest height from 10 positions to get the safest fit for your child as they grow 6-position recline keeps your child comfy and helps for a better installation