Britax One4Life Convertible Car Seat, 10 Years of Use from 5 to 120 Pounds, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, Machine-Washable Fabric, Onyx.

TRUSTED QUALITY, UPGRADED DESIGN: Looking for Frontier. Grow With You ClickTight is our newest harness-to-booster car seat 2 IN 1 BOOSTER SEAT: Easily transitions from forward-facing harness mode to belt-positioning booster mode as your child grows from toddler to big kid COOL N DRY MESH FABRIC: improves air flow for a cooler ride; wicks away moisture to help keep your child dry INSTALL CONFIDENTLY: With ClickTight, you know it's right in just 3 easy steps: open, thread & buckle, close BRITAX SAFETY: High-strength steel frame, crumple zone and patented v-shaped tether; 2 layers of side impact protection