Big Kid®

Big Kid Highback 2-in-1 Belt-Positioning Booster Car Seat (Carrissa Pink)


Big Kid Highback 2-in-1 Belt-Positioning Booster Car Seat (Carrissa Pink)
for children 40-110 lbs. / 4 years and up

Big Kid®

Big Kid Highback 2-in-1 Belt-Positioning Booster Car Seat (Carrissa Pink)


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Go big or go home...

This amply padded highback Big Kid helps you ensure your vehicle's seat belt will be properly positioned across your child's chest and legs. The Big Kid also converts to a backless booster allowing you to keep your growing child safer, longer.

Why you'll love it

Perfect for your growing child, this seat belt booster combines the peace of mind parents require, with colorful options your child will love.


Trusted by Millions of Families for Nearly a Century

Made in USA with US & Global Components

Peace of Mind:

Expiration: 6 years

Warranty: 90 days

Returns: 30 days


Installation Manuals: Browse »

FREE Video Support: Book Now »

Product Details

Child Specs (40-110lbs)


  • Weight: 40 lbs-110 lbs (13.6-49.8 kg)
  • Height: 40-57 in. (102-145 cm)
  • Age: at least 4 years of age
  • Fit: Top of child's ears are at or below the top of the child restraint.


  • Weight: 40-110 lbs. (18-49.8 kg)
  • Height: 40-57 in. (102-145 cm)
  • Age: at least 4 years of age
  • Fit: Top of child's ears are at or below the top of the vehicle seat headrest.


  • Age: At least four years of age

Product & Shipping Specs

  • Package Width: 16.5
  • Package Weight: 8.07
  • Package Depth: 11.25
  • Package Height: 19.25


Safety Testing

At Evenflo, we continue to go above and beyond government testing standards for car seats.

  • Side Impact Tested:Meets Evenflo’s proprietary side impact standards.
  • Designed and tested for structural integrity at energy levels approximately 2X the federal crash test standard.
  • FMVSS 213: Federal Motor Vehicle Safety Standards for Child Restraint Systems
  • FMVSS 302: Federal Motor Vehicle Safety Standards for Flammability of Interior Materials
  • CMVSS 302: Canada Motor Vehicle Safety Standard
  • CMVSS 213: Canada Motor Vehicle Safety Standard
  • Evenflo Temperature Testing: All current Evenflo car seats are tested for product integrity at both high and low temperatures.

Use & Care

Use & Care

Read all instructions and warnings on the product, product labels, and instruction manuals before use. Consult your vehicle owner’s manual to determine proper placement of child restraint in your vehicle and familiarize yourself with your vehicle’s components.

Browse Instruction Manuals »

Cleaning Instructions
  • DO NOT lubricate or immerse in water any part of this child restraint, unless rinsing is permitted
  • Plastic and metal parts may be wiped clean with mild soap and water and dried with a soft cloth. Do not use abrasive cleaners or solvents.
  • Take care not to damage any labels.
  • The harness can be wiped clean with mild soap and water. Allow harness to air dry.
  • Machine wash the seat pad separately in cold water, delicate cycle. Tumble dry 10 to 15 minutes on low heat.
  • Periodically inspect and clean the restraint's crotch buckle of food, liquids, and other debris to ensure proper latching. Place the buckle in a cup of warm water and gently agitate the buckle back and forth. Press the red button several times while the buckle is in the water. Do not submerge the harness strap. To avoid damage to the buckle, do not clean the buckle with soap or detergents and do not use a lubricant.

Evenflo Big Kid® LX Belt-Positioning Booster Product Tour

Our Big Kid high back boosters are designed for children 40-110 lbs. Once your child has reached the size and age requirements, you can transition into the no-back version of this seat.

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BK AMP CARRISSA is rated 4.5 out of 5 by 63.
Date published: 2020-10-11
Rated 5 out of 5 by from My Big Kid Highback 2-in-1Booster Car Seat Excellent booster seat. My granddaughter loves it so much. It's comfortable, she has enough room to move around and a lot of leg room.
Date published: 2020-10-05
Rated 3 out of 5 by from Easy peasy installation, but feels a little flimsy I bought 2 of these Big Kid Highback 2-in-1 Belt-Positioning Booster Car Seats for our almost 5 and 6 year olds who were outgrowing their other seats. These seats were very easy to put together, out of the box, and installing in the car was super quick (just place on desired seat that includes lap and shoulder belts and you're done!) I love that these come with removeable covers for cleaning and that the seats themselves dont take up hardly any room compared to our previous ones. The included cup holders are made to fit virtually any size and shape cup, which is a plus, but at the same time they are positioned a little closer to the seat area, so I dont like that a cup may potentially push into the side of your child's leg if she places her legs further out to the sides. I also wasn't a fan of the way they built the height adjustment. Instead of the head rest being raised, the entire backrest portion of the seat moves up from the seat bottom, and since my girls are taller, this made the seat feel flimsy. We did keep the seats, however, because the backrests will not be needed much longer and the booster seat bottom seems fine. Overall, ok seats, but definitely not my favorite.
Date published: 2020-07-21
Rated 4 out of 5 by from Great seat, cover doesnt fit quite right. I bought this seat this week (in fact I bought two for our multiple cars) and the padding doesn't seem to fit tight to the plastic seat on the removable back. there are gaps near the head and it just doesn't have a snug fit though the back like the padding will move and shift a lot.
Date published: 2020-05-04
Rated 5 out of 5 by from Comfortable I got this for my son who is 4 and we wanted to move him to a booster seat as he had outgrown his older car seat. This seat is comfortable, easy to get on and off and he puts the belt on by himself now and loves his new seat. It's easy to move to my other cars as well. No hassles.
Date published: 2020-03-03
Rated 4 out of 5 by from Super easy to install My son has this booster seat and he loves it. It very easy to install in the car. Our family loves it because we have several cars so it’s easy to move around. This booster is light weight which I love. It has a nice soft material in it. The material washes well.
Date published: 2019-12-07
Rated 5 out of 5 by from Light and budget friendly When my son was ready to transition to a booster seat, I had to find one that could fit three across in my Nissan Altima since I have two younger kids in infant seats and convertible car seats. This seat fit perfectly! It is one of the most narrow boosters I was able to find, yet my son who is in the 90th percentile at 7 years old fits excellent in it and says it is very comfortable. We have two cars so switching the seats between the cars has always been a chore that neither my husband or I like to do, but this seat is so light that it is a breeze to move. I am definitely very happy with my choice and so is my son and my wallet!
Date published: 2019-11-08
Rated 5 out of 5 by from Space saver I bought this booster seat for my daughter a couple months ago and I love it because the price is affordable, it’s space saver in my compact car and it keeps my daughter safe plus the colors are fun. I also love the fact that I can pull the back rest up or down to accommodate to my daughter’s height.
Date published: 2019-06-08
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