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Graco Tranzitions 3-in-1 Harness Booster Car Seat, Proof, Black

Graco Tranzitions 3-in-1 Harness Booster Car Seat, Proof, BlackGraco Tranzitions 3 in 1 Harness Booster Car Seat ProofGraco Tranzitions 3 in 1 Harness Booster Car Seat Marley
Actual Color:Proof

Key item features

  • Graco Tranzitions 3-in-1 Harness Booster Car Seat, Proof, Black
  • Graco Tranzitions 3-in-1 Forward Facing Harness Booster Toddler Car Seat, Proof, 14 lb, 1 Count
  • 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) *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, 9-position adjustable headrest grows with your child
  • Integrated, rotaing holders help keep your child's drink close
  • Open-loop belt guides help properly position your vehicle’s seat belt
  • Seat pad and harness covers are comfortable and machine washable
  • Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear & rollover crashes
Current price is $139.99
Price when purchased online
  • Free shipping
  • Free 90-day returns
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Customer ratings & reviews

4.5 out of 5 stars
stars2,852 ratings1,028 reviews
How item rating is calculated
4.9
4.8
4.7
4.3
4.1
2.5
  1. 5 stars78% (2,228)
  2. 4 stars10% (287)
  3. 3 stars3% (93)
  4. 2 stars2% (52)
  5. 1 star7% (192)

Reviews summary

Pros

  • : Offers additional cushioning for kids during travel.
  • : Offers great cost-to-feature ratio.
  • : Fits various vehicles, including compact cars and trucks.
  • : Features a secure harness system for added safety.
  • : Process is simple and easy to follow.

Neutral

  • : Can fit standard cups, but may not hold larger sizes securely.
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Showing 1-3 of 1,028 reviews

Apr 15, 2026
Michela
Item details
Color: Proof
5 out of 5 stars review

Verified Purchase

Don’t waste your money

I got my daughter the purple one about a year ago and I love it so I bought my son the same one in black. They’re very easy to install and easy to take apart to clean. I love that it’s the last car seat/booster I should need to buy. They’re also very lightweight and easy to move around. My kids find it comfortable and often fall asleep in it.

Helpful?449UHFIEQMDU5959693583
Feb 25, 2026
Junavil
Item details
Color: Proof
5 out of 5 stars review

Verified Purchase

The best carseats I purchased!

I don’t know why I waited for so long to purchase this carseat for my twins. Maybe because some reviews I read, it cannot be tightened and knowing I have 2006 Toyota tacoma truck. Guess what? it was an easy installation and way better than I had. My twins loved it already. It’s very lightweight and properly secured in the car. It checks the box ✅lightweight ✅ slimmer ✅affordable ✅easy to install ✅easy to wash/clean ✅perfect size for my twins ✅ love the color especially the purple/black for my twins girl.

Helpful?449UHFIEQMDU5959693583
May 7, 2026
christielea
5 out of 5 stars review

Seller Verified Purchase

Perfect

[This review was collected as part of a promotion.] My daughter was not quite ready for the booster when my son was outgrowing the infant bucket car seat, so this was the perfect solution! Same graco quality as always. The buckle is a little different though, which we are still getting used to.

Review from gracobaby.com
Helpful?449UHFIEQMDU5959693583