https://fromrebel.com/products/one4life-clicktight-all-in-one-convertible-car-seat-onyx-325241 14867496501615 One4Life ClickTight All-in-One Convertible Car Seat - Onyx 249.99 https:files/6256a81c-4d7d-4df9-accd-30d3d5d6fdb2_7932016e-a7ad-4944-b876-6bc2f99c5518.webp https:files/6256a81c-4d7d-4df9-accd-30d3d5d6fdb2_7932016e-a7ad-4944-b876-6bc2f99c5518.webp USD OutOfStock Britax 639935873391 Baby & Kids 641800995183 Baby Best Sellers 641032651119 Baby Specials 302408433813 Best and Must-Have Baby Gifts 630363128175 Best Sellers 641032913263 Best Sellers 291289268373 Big Babies 6-18 months 321966309525 Britax 291287662741 Car Seats 636240265583 Daily Deal Drops 642536309103 Deals on Britax 306999918741 Gifts By Category 302408269973 Gifts Under $350 291283992725 Gifts Under $500 636356460911 Hot Deals 640154108271 Luxury Brands for Less 645352259951 Luxury Brands for Less 291289301141 Newborn 0-3 months 634336477551 Newborns & Little Babies (0-6 months old) 644789829999 Non-DS 644672192879 On-The-Go Essentials 291282223253 Over $10 635358577007 Over $75 Warranty Products 311560372373 Over the Top 636710715759 Products over $150 291288187029 Ships Nationally 306996609173 Shop By Age 291285106837 Under $500 641453392239 Up to 60% OFF 291286712469 What's New 635885420911 What's New Across Baby and Home 636239970671 What's New in Baby Gear & Kids

One4Life converts from a rear-facing infant car seat to a forward-facing 5-point harness seat, to a high-back belt-positioning booster seat.

Converts from a rear-facing infant seat (5-50 lb) to a forward-facing 5-point harness seat (22-65 lbs) to a high-back belt-positioning booster seat (40-120 lb).

10 years of use: One4Life convertible to booster car seat grows with your child from 5 – 120 lbs and up to 63” in height.

SafeWash cover is safe to machine wash and dry; knit construction is naturally flame-retardant.

ClickTight Installation. Install with confidence, every time. You’ll know it’s right in just 3 easy steps: Pinch to open. Thread & buckle. Click it closed.

15-Position, Quick-Adjust Headrest & Harness create the proper fit as your child grows.

Patented V-shaped tether with staged-release stitches helps slow and reduce forward movement during a crash.

351.99 Britax ADDONPOP ALL-IN-1 CAR SEATS AutoList_v4 AutoPublish_v1 BABY BRITAX CAR SEATS FRESHNESS FY2026.49 NEW ARRIVALS PERCENT_OFF_RANGE_0_30 PERCENT_OFF_RANGE_20_30 REBELBEST add-to-cart https:files/8451b652-7074-42fe-9ef6-8d5183d3bd73_878a6763-341a-4400-9ac3-11f1a1888d27.webp https:files/c7459626-dca7-4cb7-af25-fb4095c34fd5_a5ea4592-6a4f-49b4-bbdf-bfa1e7bc83d9.webp https:files/16bb3d95-d932-4a8a-b357-37fa41e240f8_7097974f-fe46-4254-a848-fe3302bac709.webp 52565454651759 Open Box 249.99 351.99 https: https://fromrebel.com/products/one4life-clicktight-all-in-one-convertible-car-seat-onyx-325241?variant=52565454651759 OutOfStock Open Box