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ITEM# S864800

Britax Seat Saver Waterproof Liner

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The BRITAX Seat Saver Waterproof Liner is designed with deep sides to fit securely into the seating area of your car seat to contain liquids and crumbs and keep your car seat clean. Perfect to protect from diaper leaks, potty training accidents, and wet bathing suits, the waterproof design is made out of EZ-Dry wicking fabric to pull moisture away from your child and keep the seating area dry and comfortable.


  • Waterproof design captures liquids from diaper leaks, potty training accidents, and wet bathing suits to prevent the car seat or vehicle from being soiled
  • Designed with deep sides to fit securely into seating area keeping liquids and crumbs contained and reducing contact with the car seat
  • Textured bottom grips seating area to prevent slipping
  • Compatible with all BRITAX and most other brands of harnessed car seats and strollers
  • Machine wash and dry
  • Crash tested and approved for use with BRITAX car seats
  • EZ-Dry fabric wicks moisture away from your child and keeps the seating surface dry and comfortable

Review Summary
15 Reviews
93% (14)
7% (1)
0% (0)
0% (0)
0% (0)
100% Recommend this product (15 of 15 responses)
By Jnicole24
Absolute lifesaver!
August 3, 2021
Protects the areas that needs it. Has saved me grub having to wash the entire car seat cover
By Mimi
Austin, TX
A true lifesaver for accidents
April 3, 2021
This is a wonderful addition to prevent needless work in washing our car seat. Has saved us a few times now. Highly recommend!
By Amy
Monroe, Washington
Love these!
September 19, 2020
These are great for my Britax seats. They keep crumbs from going down the adjuster hole and they keep pee from potty training kids from going all down in the seats and on to the vehicle seats.
By Clairy
Easy to use and clean
February 6, 2020
Seems to fit well and will be easy to clean
By Kelley
Waldo, Florida
Works great!
October 21, 2019
Had no issues with this seat protector. Works great and keeps the car seat dry!
By Glendy C.
Edinburg, texas
Great purchase
September 6, 2019
By Erin
Liverpool, New York
Best invention
August 24, 2019
I specifically bought a Britax seat because I knew they made this insert. My seat has been spared many times already because of this insert. Love the material and how it's grippy so it stays put
  • So easy to use
By Michelle
Lacygne, Kansas
Perfect Fit & Total Lifesaver!
August 15, 2019
We purchased the Britax Seat Sacer Waterproof Liner for our Britax Advocate Clicktight ARB after beginning potty training our 2 year old & it has been a life saver! No longer am I worrying about her having a accident & having to disassemble the whole car seat to clean it, the seat saver catches any leaks & catches crumbs & comes out easily to clean!
  • Catches Crumbs
  • Waterproof & catches leaks
  • None
By Michelle
Helpful for traveling
January 27, 2019
Very helpful for long rides specially if you are potty training.
  • Waterproof
  • Easy to use and to take off
  • Washable
  • None
Best UsesLove it so far.
By Ash W.
Good for the price
January 26, 2019
I purchased this seat liner for my newlynpotty trained kiddo. Heís currently in a Britax Fronteir. It fits OK...thankfully, we havenít had an accident in it-yet! The hole where the crotch strap comes up thru is quite large. Iím worried that if/when he wets, that it wonít protect the seat as much as Iíd like. That being said, the quality is great! Itís soft, and thin enough that my son doesnít seem to notice or mind it.
By Beth
No worries
June 29, 2018
I don't have to worry about spills . My daughter spilt her entire drink and this saved the seat .
By sara
saginaw, MI
Great for potty training
May 10, 2018
Great for potty training and messy kiddos
  • Waterproof
  • Can only be used safely on britax seats ONLY
Best UsesPotty training, messy kids
By heidi
new jersey
great waterproof liner
July 14, 2015
it works great to keep the seat dry on the random occasion that a diaper leaks. I have no worries when I start to potty train that her car seat will stay dry.
By bruce
Dupont, WA
Saves the carseat
May 16, 2015
Our 23 month old is in potty training mode. This seat save has worked a few times with no leakage onto the carseat.
By Katie
Long beach , mississippi
Great Quality
December 20, 2014
Great quality. Makes protecting the seat simple. Easy install and easy reinstall. Even fits other brands is seats!

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