Overall pick

Graco Tranzitions 3-in-1 Harness Booster Car Seat, Marley, Assorted

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

Actual Color:Marley

Marley, $139.99

Proof, $139.99

Key item features

Graco Tranzitions 3-in-1 Harness Booster Car Seat, Marley, Assorted
Graco Tranzitions 3-in-1 Forward Facing Harness Booster Toddler Car Seat, Marley, 15.1 lbs, 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

Specs

Product multifunction descriptor
3-in-1
Forward-facing maximum weight
100 lb
Safety harness style
5-Point Harness
Age group
Infant, Toddler
Child car seat feature
No Rethread Harness
Car seat facing direction
Forward Facing

Reviews summary

Pros

: Designed for compact vehicles and spaces.
: Process is simple and quick to complete.
: Features a secure five-point restraint system.
: Offers additional cushioning for kids during travel.
: Offers good cost-to-benefit ratio.

Neutral

: Can fit standard cups, but may not secure them well or accommodate all sizes.

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Current price is $139.99

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About this item

Product details

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. *To continue to meet industry standards, we have increased the weight minimum from 30 to 40 lb.

Graco Tranzitions 3-in-1 Harness Booster Car Seat, Marley, Assorted
Graco Tranzitions 3-in-1 Forward Facing Harness Booster Toddler Car Seat, Marley, 15.1 lbs, 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

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Product multifunction descriptor

3-in-1

Forward-facing maximum weight

100 lb

Safety harness style

5-Point Harness

Age group

Infant, Toddler

Directions

Fabric Care Instructions

Refer to user manual

Warranty

Warranty information

Limited Warranty At Graco??, we make innovative, high-quality products for babies and children. We warrant this product to be free from defects in material and workmanship existing at the time of manufacture for a period of one year from the date of initial purchase (sales receipt is required for proof of purchase). If such a defect is discovered during the limited warranty period, we will, at our sole option, repair or replace your product at no cost to you. This limited warranty does not cover claims resulting from misuse, failure to follow the instructions on installation, maintenance and use, abuse, alteration, involvement in an accident, and normal wear and tear. This Limited Warranty is exclusive and in lieu of any other warranty, written or oral, including but not limited to any express warranty of merchantability or fitness for a particular purpose. The duration of any implied warranties, including any implied warranty of merchantability or fitness for a particular purpose, is expressly limited to the limited warranty period. Some states do not allow limitations on how long an implied warranty lasts; therefore, the above limitations and exclusions may not apply to you. The customer’s exclusive remedy for breach of this limited warranty or of any implied warranty or of any other obligation arising by operation of law or otherwise shall be limited as specified herein to repair or replacement, at our sole option. In any event, responsibility for special incidental and consequential damages is expressly excluded. Some states do not allow an exclusion or limitation of special, incidental or consequential damages, therefore, that limitation or exclusion may not apply to you. This limited warranty gives you specific legal rights, and you may have other rights that vary from state to state or province to province. Outside USA and Canada: Please contact place of purchase for warranty service. Some replacement parts may be available for purchase after this limited warranty expires. Please visit our parts ordering section for availability.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warranty url

https://www.gracobaby.com/warranty.html

Customer ratings & reviews

4.5 out of 5 stars

stars2,885 ratings1,032 reviews

How item rating is calculated

4.7

4.1

4.3

4.9

4.8

2.5

Reviews summary

Pros

: Designed for compact vehicles and spaces.
: Process is simple and quick to complete.
: Features a secure five-point restraint system.
: Offers additional cushioning for kids during travel.
: Offers good cost-to-benefit ratio.

Neutral

: Can fit standard cups, but may not secure them well or accommodate all sizes.

Generated by AI

Customer photos

+55 images

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Showing 1-3 of 1,032 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?

May 9, 2026

Katie4981

5 out of 5 stars review

Seller Verified Purchase

Good next step for an older toddler

[This review was collected as part of a promotion.] Switched from an all in one to this for my older child. It provided more leg room and gave me a better view out the rear window. It provides the same Graco safety I had in my all in ones in a lighter package. The install was the same as my other Graco seats and it should be the last seat I but for my child as it can adapt as he grows.

Review from gracobaby.com

Helpful?

Apr 15, 2026

Semph

5 out of 5 stars review

Seller Verified Purchase

Excellent next step

[This review was collected as part of a promotion.] My daughter (almost 4) had outgrown her convertible car seat (not in height or weight, but in maturity and interest in sitting like the adults). This is the perfect next step to help her feel like a big kid, but still have all the safety protections she needs. This will be all she needs until she's a big kid and can sit on her own in the car.

Review from gracobaby.com

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Graco Tranzitions 3-in-1 Harness Booster Car Seat, Marley, Assorted

Key item features

Specs

Reviews summary

Pros

Neutral

How do you want your item?

More seller options (1)

Get 50% off a year of Walmart+

About this item

Product details

Specifications

Product multifunction descriptor

Forward-facing maximum weight

Safety harness style

Age group

Directions

Fabric Care Instructions

Warranty

Warranty information

Warranty url

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