Shop booster seat with harness

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$700.00
Nuna LUMN Harness To Booster Car Seat Caviar
Pottery Barn Kids
Free shipping
$700.00
Nuna LUMN Harness To Booster Car Seat Caviar
Pottery Barn Kids
Free shipping
$99.99
Baby Trend Hybrid SI 3-In-1 Combination Booster Car Seat With Side Impact Protection - Madrid Black
Target
Free shipping
$99.99
Baby Trend Hybrid SI 3-In-1 Combination Booster Car Seat With Side Impact Protection - Madrid Black
Target
Free shipping
$32.99
GET BS-200-MOD-N2 Natural Wood Booster Seat With T-Strap
WebstaurantStore
3
$32.99
GET BS-200-MOD-N2 Natural Wood Booster Seat With T-Strap
WebstaurantStore
3
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat - Proof
Target
Free shipping
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat - Proof
Target
Free shipping
$109.99
Chicco Kidfit Cleartex Plus 2-In-1 Belt Positioning High Back Booster Car Seat - Drift
Target
Free shipping
$109.99
Chicco Kidfit Cleartex Plus 2-In-1 Belt Positioning High Back Booster Car Seat - Drift
Target
Free shipping
$64.99
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Aspen Skies
Rebel - US
1K+
35% off
$64.99
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Aspen Skies
Rebel - US
1K+
$33.49
GET BS-200-MOD-W2 Walnut Wood Booster Seat With T-Strap
WebstaurantStore
3
$33.49
GET BS-200-MOD-W2 Walnut Wood Booster Seat With T-Strap
WebstaurantStore
3
$74.99
Graco Turbobooster 2.0 Highback Booster Car Seat - Declan
Target
Free shipping
$74.99
Graco Turbobooster 2.0 Highback Booster Car Seat - Declan
Target
Free shipping
$349.99
Britax Grow With You Clicktight Harness-2-Booster Car Seat, Black Contour Safewash
Pottery Barn Kids
Free shipping
$349.99
Britax Grow With You Clicktight Harness-2-Booster Car Seat, Black Contour Safewash
Pottery Barn Kids
Free shipping
$229.99
Graco Nautilus 2.0 LX 3-In-1 Harness Booster Car Seat - Hex
Target
Free shipping
$229.99
Graco Nautilus 2.0 LX 3-In-1 Harness Booster Car Seat - Hex
Target
Free shipping
$199.99
Maxi-Cosi Rodi Sport Booster Seat, Polished Pebble
Pottery Barn Kids
Free shipping
$199.99
Maxi-Cosi Rodi Sport Booster Seat, Polished Pebble
Pottery Barn Kids
Free shipping
$700.00
Nuna LUMN Harness To Booster Car Seat - Granite
Albee Baby
1
$700.00
Nuna LUMN Harness To Booster Car Seat - Granite
Albee Baby
1
$319.99
$399.99
Clek Oobr High Back Belt Positioning Booster Car Seat - Thunder - 40-100 Lb, Rigid-LATCH & Reclining High-Back Booster
Albee Baby
23
20% off
$319.99
$399.99
Clek Oobr High Back Belt Positioning Booster Car Seat - Thunder - 40-100 Lb, Rigid-LATCH & Reclining High-Back Booster
Albee Baby
23
$87.99
Cosco Finale Deluxe 2-In-1 Booster Car Seat - Rainbow
Target
Free shipping
$87.99
Cosco Finale Deluxe 2-In-1 Booster Car Seat - Rainbow
Target
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Greyson
Pottery Barn Kids
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Greyson
Pottery Barn Kids
Free shipping
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Crestone Peaks
Target
Free shipping
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Crestone Peaks
Target
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Kavneer
Pottery Barn Kids
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Kavneer
Pottery Barn Kids
Free shipping
$299.95
Cybex Solution Z-Fix Booster Car Seat - Midnight Blue - 40-120 Lbs - Adjustable Headrest - Linear Side-Impact Protection - Reclining Backrest
Albee Baby
1
$299.95
Cybex Solution Z-Fix Booster Car Seat - Midnight Blue - 40-120 Lbs - Adjustable Headrest - Linear Side-Impact Protection - Reclining Backrest
Albee Baby
1
$74.99
$99.99
Evenflo Evenflo Maestro Sport Harness Booster Car Seat - Crestone Peaks
Rebel - US
25% off
$74.99
$99.99
Evenflo Evenflo Maestro Sport Harness Booster Car Seat - Crestone Peaks
Rebel - US
$52.99
Carlisle Black Polypropylene Booster Seat With Safety Strap
WebstaurantStore
$52.99
Carlisle Black Polypropylene Booster Seat With Safety Strap
WebstaurantStore
$36.99
Graco Turbobooster 2.0 Backless Booster - Denton
Target
Free shipping
$36.99
Graco Turbobooster 2.0 Backless Booster - Denton
Target
Free shipping
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Whitney
Target
Free shipping
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Whitney
Target
Free shipping
$199.99
Maxi-Cosi Rodi Sport Booster Seat, Essential Blue
Pottery Barn Kids
Free shipping
$199.99
Maxi-Cosi Rodi Sport Booster Seat, Essential Blue
Pottery Barn Kids
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Iris
Pottery Barn Kids
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Iris
Pottery Barn Kids
Free shipping
$299.99
Evenflo Revolve360 Extend Convertible Car Seat With 360 Degree Rotation, Extended Rear-Facing, Forward-Facing, Booster Mode, And Secure Latch
Amazon.com
Free shipping
$299.99
Evenflo Revolve360 Extend Convertible Car Seat With 360 Degree Rotation, Extended Rear-Facing, Forward-Facing, Booster Mode, And Secure Latch
Amazon.com
Free shipping
$700.00
Nuna LUMN Harness To Booster Car Seat In Caviar At Nordstrom
Nordstrom
1
$700.00
Nuna LUMN Harness To Booster Car Seat In Caviar At Nordstrom
Nordstrom
1
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat, Proof - N/A
Bed Bath & Beyond
25K+
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat, Proof - N/A
Bed Bath & Beyond
25K+
$700.00
Nuna Lumn Harness To Booster Combination Car Seat - Caviar
Bloomingdale's
1
Free shipping
$700.00
Nuna Lumn Harness To Booster Combination Car Seat - Caviar
Bloomingdale's
1
$249.99
Chicco Myfit Harness + Booster Car Seat, Shadow
Kohl's
179
Free shipping
$249.99
Chicco Myfit Harness + Booster Car Seat, Shadow
Kohl's
179
$119.99
Maestro Sport Harness Booster Car Seat (Crestone Peaks)
Walmart
1K+
Free shipping
$119.99
Maestro Sport Harness Booster Car Seat (Crestone Peaks)
Walmart
1K+
$119.99
Maestro Sport Harness Booster Car Seat (Whitney Purple)
Walmart
1K+
Free shipping
$119.99
Maestro Sport Harness Booster Car Seat (Whitney Purple)
Walmart
1K+
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat, Black
Kohl's
Free shipping
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat, Black
Kohl's
Free shipping
$219.99
Britax Booster Seat Highpoint 2-Stage Belt-Positioning New E1C233C
FactoryPure
2K+
$219.99
Britax Booster Seat Highpoint 2-Stage Belt-Positioning New E1C233C
FactoryPure
2K+
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat, Proof - NA
Bed Bath & Beyond
Free shipping
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat, Proof - NA
Bed Bath & Beyond
Free shipping
$87.99
Neutral Cosco Finale DX 2 in 1 Booster Car Seat, Dusk
Kohl's
Free shipping
$87.99
Neutral Cosco Finale DX 2 in 1 Booster Car Seat, Dusk
Kohl's
Free shipping
$277.14
Graco Tranzitions 3 in 1 Harness Booster Seat, Proof
eBay.com
Free shipping
$277.14
Graco Tranzitions 3 in 1 Harness Booster Seat, Proof
eBay.com
Free shipping
Britax Grow With You ClickTight Harness-2-Booster Seat Installation + Review Video
4:05
YouTubeWith Care
Britax Grow With You ClickTight Harness-2-Booster Seat Installation + Review Video
Britax’s beautiful NEW lineup of Harness-2-Booster Car Seats have hit the Canadian market. I’ve partnered with them to test out and review the Grow With You ClickTight Harness-2-Booster Seat (the middle seat in their 3 seat lineup) As a Child Passenger Safety Technician I find that most parents are frustrated by their car seats, and make ...
153.3K viewsMay 14, 2020
Shorts
HOW TO USE THE GRACO TRANZITIONS 3 IN 1 HARNESS BOOSTER SEAT | AMAZON FINDS!!
1:00
6.2K views
HOW TO USE THE GRACO TRANZITIONS 3 IN 1 HARNESS BOOSTER
Pj Danita
NEW FROM NUNA: Meet Nuna LUMN Harness Booster Seat
0:53
1.6K views
NEW FROM NUNA: Meet Nuna LUMN Harness Booster Seat
Bambi Baby Store
Child safety seat installation
Installing a Rear-facing Car Safety Seat | American Academy of Pediatrics (AAP)
4:07
Installing a Rear-facing Car Safety Seat | American Academy of Pediatrics (AAP)
YouTubeAmerican Academy of
72.7K viewsSep 4, 2018
Child Booster Seat Installation
1:53
Child Booster Seat Installation
YouTubeVirginiaDMV
173.3K viewsMay 25, 2011
How to install your forward facing car seat
0:52
How to install your forward facing car seat
YouTubeSafe Kids Worldwide
429.2K viewsNov 3, 2016
Top videos
Step-by-Step How to Install Harness-2-Booster Car Seat
3:54
Step-by-Step How to Install Harness-2-Booster Car Seat
YouTubeWise Mommies
9.8K viewsFeb 25, 2018
Chicco MyFit Harness+Booster - Installing with a seatbelt
2:35
Chicco MyFit Harness+Booster - Installing with a seatbelt
YouTubeChiccoUSA
205.4K viewsJun 20, 2018
How to Install the Graco® Nautilus® 2.0 LX 3-in-1 Harness Booster Seat With the InRight LATCH System
2:24
How to Install the Graco® Nautilus® 2.0 LX 3-in-1 Harness Booster Seat With the InRight LATCH System
YouTubeGraco
25K viewsDec 13, 2022
Child safety seat reviews
The Ultimate Child Safety Seat Review: Can KIRKEY’s 12in Containment Seat Keep Your Little One Safe?
4:51
The Ultimate Child Safety Seat Review: Can KIRKEY’s 12in Containment Seat Keep Your Little One Safe?
YouTubeBaby To Child
9 views1 month ago
Chicco KidFit Adapt Plus Review: Safe, Comfortable, and Easy Booster Seat for Your Child.
5:45
Chicco KidFit Adapt Plus Review: Safe, Comfortable, and Easy Booster Seat for Your Child.
YouTubeBaby To Child
33 views1 month ago
Safety 1st Convertible Car Seat Review: Can It Really Grow with Your Child?
6:02
Safety 1st Convertible Car Seat Review: Can It Really Grow with Your Child?
YouTubeBaby To Child
1 views1 month ago
Step-by-Step How to Install Harness-2-Booster Car Seat
3:54
Find in video from 0:00Preparing the Seat
Step-by-Step How to Install Harness-2-Booster Car Seat
9.8K viewsFeb 25, 2018
YouTubeWise Mommies
Chicco MyFit Harness+Booster - Installing with a seatbelt
2:35
Find in video from 00:21Placing the MyFit on the Vehicle Seat
Chicco MyFit Harness+Booster - Installing with a seatbelt
205.4K viewsJun 20, 2018
YouTubeChiccoUSA
How to Install the Graco® Nautilus® 2.0 LX 3-in-1 Harness Booster Seat With the InRight LATCH System
2:24
How to Install the Graco® Nautilus® 2.0 LX 3-in-1 Harness Booster Sea…
25K viewsDec 13, 2022
YouTubeGraco
How to Install a Booster Seat
4:46
How to Install a Booster Seat
35.3K views10 months ago
YouTubeChildren's Hospital Colorado
I-Bold™ | Installing Your Harnessed Booster Seat
4:25
I-Bold™ | Installing Your Harnessed Booster Seat
40.4K viewsNov 8, 2023
YouTubeJoie
Graco Tranzitions 3 in 1 Harness Booster Car Seat Installation Guide by Baby On The Move
18:33
Graco Tranzitions 3 in 1 Harness Booster Car Seat Installation Guid…
109.4K viewsApr 18, 2024
YouTubeBaby On The Move
Elevate™ R129 | Harnessed Booster Seat
0:52
Elevate™ R129 | Harnessed Booster Seat
70.3K viewsJun 1, 2023
YouTubeJoie
4:07
Find in video from 01:20Harness Booster Mode
Graco FlexiGrow R129 2-in-1 Harness Booster Car Seat - Install…
7.6K viewsFeb 1, 2024
YouTubeGraco UK
13:04
Find in video from 00:30What is a Harness
Britax Grow With You Harness-2-Booster Seat Review | Car Seat Co…
10K viewsJun 26, 2024
YouTubeSnuggle Bugz - Canada's Baby Store
3:08
Find in video from 01:27Extra Safety Harnesses
Safety 1st Grand 2 in 1 Booster Car Seat, Forward Facing with Harnes…
20.1K viewsSep 2, 2023
YouTubeChar H
6:55
Find in video from 00:12Introduction of How to transition Graco® Nautilus® 2.0 3-in-1 Harness Booster to highback and backle
How to Convert the Graco® Nautilus® 2.0 3-in-1 Harness Boos…
32.5K viewsJan 10, 2023
YouTubeGraco
4:48
Find in video from 01:57Harness Booster Mode
Graco Eldura R129 2-in-1 Harness Booster Car Seat - Installation Video
7.6K viewsJan 18, 2024
YouTubeGraco UK
1:01
Chicco MyFit ClearTex Harness + Booster Car Seat
8.1K viewsMar 28, 2023
YouTubeChiccoUSA
0:32
Evenflo Chase LX Harnessed Booster Car Seat
19.7K viewsMar 18, 2020
YouTubeEvenflo Baby
4:07
Find in video from 00:11Belt Positioning Booster Seats
Car Seat Safety by Age: Booster Seat Safety
32K viewsFeb 16, 2022
YouTubeThe Children's Hospital of Philadelphia
4:07
Find in video from 00:04Introduction to Car Seat Safety
Car Seat Safety by Age: Booster Seat Safety from Children's Hospit…
154.5K viewsSep 17, 2021
YouTubeChildPassengerSafety
1:31
Find in video from 0:00Introduction to Booster Seats
When to use a Booster Seat or Seat Belt | Cincinnati Children's
8.1K viewsJul 2, 2021
YouTubeCincinnati Children's
5:25
Safety 1st Grand 2-in-1 Booster Car Seat Review: Comfort and Safety f…
23 views3 weeks ago
YouTubeBaby To Child
1:00
Chicco MyFit Harness + Booster Car Seat, 5-Point Harness and High Ba…
Jun 7, 2018
amazon.com
0:36
Graco Tranzitions 3-in-1 Harness Booster Car Seat, Forward Facing …
2 viewsMay 28, 2024
amazon.com
Safety 1st Grand 2-in-1 Booster Car Seat, Converts from High Back to …
Feb 5, 2023
amazon
0:30
Evenflo High-Back Booster Car Seat with Harness, 22 to 110lbs, Maestr…
3 viewsJul 17, 2018
amazon.com
2:27
Graco Tranzitions 3-in-1 Harness Booster Car Seat, Forward Facing …
4 months ago
amazon.com
4:07
Find in video from 00:04Introduction to Booster Mode
Chicco MyFit Harness+Booster - Transitioning to booster mode
239.4K viewsJun 20, 2018
YouTubeChiccoUSA
7:00
Find in video from 02:41Setting Up Harness and Booster Modes
Review and How to Install the Chicco MyFit Harness & Booster S…
22.5K viewsOct 20, 2022
YouTubeJuliana Loewen
0:45
Britax Grow With You ClickTight Harness-2-Booster Car Seat
28.8K viewsJan 6, 2020
YouTubeBritax Child Safety, Inc
2:50
Find in video from 00:05Booster Seats vs Car Seats
Booster Seats Vs Car Seats With Harness Straps | Which Is Best Fo…
4.9K viewsMar 11, 2023
YouTubeAuto Care
0:21
How to Check Harness Fit in Your Britax Harness-2-Booster | Car Se…
2.8K views3 months ago
YouTubeBritax Child Safety, Inc
1:25
Britax Grow with You Harness-2-Booster Car Seat Review: Is It Wor…
3 views3 months ago
YouTubeProduct Reviews For Everyday
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Shop booster seat with harness

Sponsored
About our ads
$700.00
Nuna LUMN Harness To Booster Car Seat Caviar
Pottery Barn Kids
Free shipping
$700.00
Nuna LUMN Harness To Booster Car Seat Caviar
Pottery Barn Kids
Free shipping
$99.99
Baby Trend Hybrid SI 3-In-1 Combination Booster Car Seat With Side Impact Protection - Madrid Black
Target
Free shipping
$99.99
Baby Trend Hybrid SI 3-In-1 Combination Booster Car Seat With Side Impact Protection - Madrid Black
Target
Free shipping
$32.99
GET BS-200-MOD-N2 Natural Wood Booster Seat With T-Strap
WebstaurantStore
3
$32.99
GET BS-200-MOD-N2 Natural Wood Booster Seat With T-Strap
WebstaurantStore
3
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat - Proof
Target
Free shipping
$149.99
Graco Tranzitions 3-In-1 Harness Booster Car Seat - Proof
Target
Free shipping
$109.99
Chicco Kidfit Cleartex Plus 2-In-1 Belt Positioning High Back Booster Car Seat - Drift
Target
Free shipping
$109.99
Chicco Kidfit Cleartex Plus 2-In-1 Belt Positioning High Back Booster Car Seat - Drift
Target
Free shipping
$64.99
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Aspen Skies
Rebel - US
1K+
35% off
$64.99
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Aspen Skies
Rebel - US
1K+
$33.49
GET BS-200-MOD-W2 Walnut Wood Booster Seat With T-Strap
WebstaurantStore
3
$33.49
GET BS-200-MOD-W2 Walnut Wood Booster Seat With T-Strap
WebstaurantStore
3
$74.99
Graco Turbobooster 2.0 Highback Booster Car Seat - Declan
Target
Free shipping
$74.99
Graco Turbobooster 2.0 Highback Booster Car Seat - Declan
Target
Free shipping
$349.99
Britax Grow With You Clicktight Harness-2-Booster Car Seat, Black Contour Safewash
Pottery Barn Kids
Free shipping
$349.99
Britax Grow With You Clicktight Harness-2-Booster Car Seat, Black Contour Safewash
Pottery Barn Kids
Free shipping
$229.99
Graco Nautilus 2.0 LX 3-In-1 Harness Booster Car Seat - Hex
Target
Free shipping
$229.99
Graco Nautilus 2.0 LX 3-In-1 Harness Booster Car Seat - Hex
Target
Free shipping
$199.99
Maxi-Cosi Rodi Sport Booster Seat, Polished Pebble
Pottery Barn Kids
Free shipping
$199.99
Maxi-Cosi Rodi Sport Booster Seat, Polished Pebble
Pottery Barn Kids
Free shipping
$700.00
Nuna LUMN Harness To Booster Car Seat - Granite
Albee Baby
1
$700.00
Nuna LUMN Harness To Booster Car Seat - Granite
Albee Baby
1
$319.99
$399.99
Clek Oobr High Back Belt Positioning Booster Car Seat - Thunder - 40-100 Lb, Rigid-LATCH & Reclining High-Back Booster
Albee Baby
23
20% off
$319.99
$399.99
Clek Oobr High Back Belt Positioning Booster Car Seat - Thunder - 40-100 Lb, Rigid-LATCH & Reclining High-Back Booster
Albee Baby
23
$87.99
Cosco Finale Deluxe 2-In-1 Booster Car Seat - Rainbow
Target
Free shipping
$87.99
Cosco Finale Deluxe 2-In-1 Booster Car Seat - Rainbow
Target
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Greyson
Pottery Barn Kids
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Greyson
Pottery Barn Kids
Free shipping
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Crestone Peaks
Target
Free shipping
$99.99
Evenflo Maestro Sport Harness Booster Car Seat - Crestone Peaks
Target
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Kavneer
Pottery Barn Kids
Free shipping
$229.99
Uppababy(R) Alta V2 Booster Car Seat, Kavneer
Pottery Barn Kids
Free shipping
$299.95
Cybex Solution Z-Fix Booster Car Seat - Midnight Blue - 40-120 Lbs - Adjustable Headrest - Linear Side-Impact Protection - Reclining Backrest
Albee Baby
1
$299.95
Cybex Solution Z-Fix Booster Car Seat - Midnight Blue - 40-120 Lbs - Adjustable Headrest - Linear Side-Impact Protection - Reclining Backrest
Albee Baby
1

  • Best Harness Booster Seat for 4 Year Old: Top 5 of 2025

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    About our ads
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    15 Minute Install · Ideal for Metal & Wood · 5 Best Camp Ovens