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Lab Tested Tranzitions™ 3-in-1 Harness Booster Car Seat - Proof (see Description) Black Friday Exclusive [X4Lom61y]

$27.99 $89.99 -69%

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

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Lab Tested Tranzitions™ 3-in-1 Harness Booster Car Seat - Proof (see Description) Black Friday Exclusive [X4Lom61y]

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.

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, rotating holders help keep your child's drink close

Baby, we want you to know…

  • This product has slight scuffs, scratches, fading & wear is present on item (see photos)

What Our Customers Say

January 30, 2026

Absolutely no complaints!

A product that has become utterly so very essential.

- Iolo J..

January 30, 2026

Absolutely no complaints!

A well-designed, extremely, very, so very high-quality item.

- Gwawl N..

January 30, 2026

Absolutely no complaints!

It’s a very well-engineered, and a very so solid item.

- Rhianedd S..

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