Car Seats for Kids

Graco Tranzitions 3-in-1 Harness Booster, Proof

3-in-1 harness booster helps protect your child, from toddler to youth
Grows with your child from forward-facing harness (22-65 lb) to highback booster (40-100 lb*) to backless booster (40-100 lb) *To continue to meet industry standards, we have increased the weight minimum from 30 to 40 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, 8-position adjustable headrest grows with your child
2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
Open-loop belt guides help properly position your vehicle’s seat belt
Seat pad, body support, and harness covers are comfortable and machine washable

Graco Tranzitions 3-in-1 Harness Booster, Proof

+$3.24 Buyer Protection fee

Get what you ordered or a refund upon eligibility.

Worry-free shopping

We securely process payments and release upon rating.

Trusted transactions

Easily get help through app, web or phone.

24/7 customer support

Got it

Learn more

Buyer protection

Graco

18 lb

Kids

Car seats

Car seats & accessories

Buyer

Christina916

Ohio