https://fromrebel.com/products/tranzitions-3-in-1-harness-booster-car-seat-proof-see-description-9944cb 14757588435311 Tranzitions 3-in-1 Harness Booster Car Seat - Proof 73.99 https:files/2773bcf7-1572-42e3-bd22-11320e21af52.webp https:files/2773bcf7-1572-42e3-bd22-11320e21af52.webp USD OutOfStock Graco 645251301743 30-70% Off 639935873391 Baby & Kids 291289268373 Big Babies 6-18 months 291287662741 Car Seats 636240265583 Daily Deal Drops 291285696661 Gifts Under $100 302408237205 Gifts Under $150 302408269973 Gifts Under $350 312721539221 Graco 644247945583 Major Markdowns 647106560367 Major Markdowns on Cookware 646287884655 Newness 644789829999 Non-DS 291282223253 Over $10 291282452629 Quality Used 291288187029 Ships Nationally 306996609173 Shop By Age 644672192879 Summer Baby Deals 641453392239 Up to 60% OFF 291286712469 What's New 636239970671 What's New in Baby Gear & Kids The Graco Tranzitions 3-in-1 Harness Booster is designed to grow with your child and go with you, wherever your journeys take you—from car to carpool and beyond. This lightweight car seat transitions seamlessly from harness booster (26.5-65 lb) to highback booster (40-100 lb) to backless booster (40-100 lb) and features the Simply Safe Adjust Harness System, which adjusts your harness and headrest to 9 height positions, with no rethreading. It features two rotating cup holders to keep your child happy, a machine washable seat pad, and harness covers.Highlights 3-in-1 harness booster helps protect your child, from toddler to youth Grows with your child from forward-facing harness (26.5-65 lb) to highback booster (40-100 lb) to backless booster (40-100 lb) No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion Lightweight, portable seat is ideal for busy, active parents One-hand, 9-position adjustable headrest grows with your child Integrated, rotating cup holders help keep your child's drink close Open-loop belt guides help properly position your vehicle’s seat belt 149.99 Graco ADDONPOP ALL-IN-1 CAR SEATS AutoList_v3 BABY BOOSTER SEATS BUY2GET1 CAR SEATS CITY_CHARLOTTE CLT EXCELLENT FRESHNESS FY2026.24 GRACO NEW ARRIVALS OFFPRICE PERCENT_OFF_RANGE_50_70 add-to-cart https:files/b76daad2-e1b8-4ebc-a376-59cb02e3121c.webp https:files/c621469c-fbb5-49c4-b176-b6efd812896c_5b4f83ac-2280-4f28-987a-1a75d0beb7c1.webp https:files/9e163fde-c3b4-43dc-b517-c040eb8c4978.jpg https:files/ecbd8e43-5fc6-4543-9ee6-6e9b19cfdca0_f6435827-a983-4fe9-96eb-9f75306d11dc.webp 52097535639919 Default Title 73.99 149.99 https: https://fromrebel.com/products/tranzitions-3-in-1-harness-booster-car-seat-proof-see-description-9944cb?variant=52097535639919 OutOfStock Default Title