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Diono RadianR100 Convertible Booster Car Seat

Regular $259.99
Regular $259.99

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Keep your little one safe with this Diono car seat's full steel frame.

Product Features:

  • Five-point harness
  • Forward-facing recline
  • Adjustable buckle
  • Energy-absorbing EPS foam and side-impact protection
  • LATCH installation
  • Expandable sides and long seat bottom
  • Rubber-padded bottom 
  • Low-sitting profile 
  • Folds flat

Product Details:

  • 28.5"H x 17"W x 16"D
  • Forward facing for children 20 to 65 lbs. & up to 57-in. tall
  • Rear facing for children 5 to 40 lbs.
  • Booster seat for children up to 100 lbs. 
  • Polyester/steel
  • Cover: machine wash
  • Some assembly required
  • Manufacturer's 1-year limited warranty
  • Model numbers:
    • Stone: 16615
    • Gray: 16620

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

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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 5 out of 5 by Great car seat! I bought this a few months back for our less than 2 year old toddler, who hates being buckled up. The Diono RT-100 is so roomy and comfortable that she prefers this car seat (by name) to the other car seat we have installed in our other car. In case any one is wondering, this car seat works in a compact car such as a Toyota Yaris. I like it because I don't have to fight to untangle the seat belts everytime. And I am happy when my kid is happy. Because the seat can recline, the child's head doesn't fall front while napping, which just looks horrible. I would have liked it if the R-100 came with the extra head flaps to hold the head in place better. 03/12/2014
Rated 4 out of 5 by Problems with top tether Great product but when I took it to the fire station to check the installation they could not remove the top tether buckle. It took them 40 minutes and they had to use pliers to unfasten the tether buckle. The fireman said my tether hook on my Toyota Camry 2007 was to long for the tether. I put the top tether on rather easily but hadn't tried to take it off and this was a major issue for the firemen. 11/13/2014
Rated 5 out of 5 by Fit's where others won't! Had this seat for several months now and have been very pleased. Bought the Radian to fit next to our other car seat, it's the only one we've found that fits. The seat feels very sturdy and seems like it will last a long time. I was initially concerned about installation because of other reviews I've read. We've had no problems, it takes a few moments longer to tighten (latch) then our other seats but is just as secure and free of movement. Our toddler likes the seat but would probably be more comfortable sleeping if we'd gotten the upgraded model with padded head support. Looking forward to years of use with this seat! 05/07/2014
Rated 5 out of 5 by It was everything I expected. Pretty heavy but extremely solid. 11/23/2014
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