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Diono Rainier Convertible & Booster Car Seat

Regular $359.99
Regular $359.99

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Featuring head protection and support that easily adjusts to 12 positions, this Diono convertible and booster car seat offers maximum safety and comfort for your growing child.

Product Features

  • LATCH-equipped
  • Memory foam padding in seating area
  • Luxurious two-piece infant body pillow
  • Thickly padded aluminum reinforced sides
  • Full steel-alloy frame
  • Fits 3-across in a mid-size vehicle
  • Industry leading 12-year product life

Product Details

  • Maximum weight capacity:
  • Rear facing for children from 5-50 lbs.
  • Forward facing in harness for children from 20-90 lbs.
  • Booster for children from 50-120 lbs. & up to 57 in.
  • Some assembly required
  • Manufacturer's 1-year limited warranty

Promotional offers available online at may vary from those offered in Kohl's stores.

Our hassle-free return policy means worry-free shopping.

  • Return any item, anytime, for any reason.
  • No receipt? No problem. We'll take care of you.
  • Yes, you can return it in store (even if you bought it online!).

View our full return policy here.


Rated 4 out of 5 by Excellent seat I bought this seat about a month ago for my daughter. My son has a sunshine kids seat from 3 years ago that we loved so that's why I chose the Diono (that took over sunshine kids). The seat fits great in my car and is super comfy for my daughter. She really loves the cup holder! I love when she falls asleep her head does not fall forward. The only reason I gave 4 stars is because whatever chemical they put on this seat is really really strong! I let it air out for a week in the house then it still stunk the car up for a couple weeks after. My daughter will still smell like that chemical when I get her out now. Wish it wasn't so stinky! 11/19/2014
Rated 5 out of 5 by Best harnessed booster out there! Awesome harnessed booster!! I have a disabled son that weighs 65 lbs who will still need to use a harnessed booster for a while. We were looking for one that had a high weight limit while in harness mode, one that didn't sit too high off the actual cars seat and also has really low sides because he has to be lifted up and put into the booster. This seat met all our needs while also being extremely comfortable!!! Our other seat is a Recaro Pro-Sport . The Pro-Sport is also a nice seat but the Rainier has it beat in every possible category!! We are buying another one for my 7 month old grand daughter since its also rear facing. Great seat all the way around!!! 11/17/2014
Rated 5 out of 5 by Just what we needed Love this seat, mostly because it was able to fit in my Ford Focus (had my doubts)! It's more than enough room for the 22lb munchkin, and CPU (cost per use) was well worth dropping a couple hundred bucks. Not to mention the safety rating, was pretty high. It was also easy to install, one YouTube video and you're good to go. 12/03/2014
Rated 5 out of 5 by Great seat! Super easy installation!! I waited 2 months to receive this seat (very backordered!) and it was so worth it! I was crossing my fingers that it would fit and thankfully it did (with nothing blocking my vision too!). I have a Jetta Sportswagon and it fits no different than my Britax. I purchased this for the longer rear-facing for my son and it was worth the extra money even though I had a wonderful seat I replaced this with (although I was running out of time for rear-facing on it). It's also super roomy vs. his old seat and the cup holder is an added bonus too. Installation was beyond easy...I couldn't believe how simple it was. Very thrilled with this seat! 08/11/2014
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