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Radian® 3RXT bonus pack

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All-in-One car seat travel essentials


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Additional 2-Year Warranty

Receive an additional 2-year warranty on all car seats and strollers purchased from

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1-2-1 Virtual Car Seat Fitting

Book a 1-2-1 virtual car seat fitting with a member of our car seat safety team.

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Radian® 3RXT bonus pack

The Radian® 3RXT bonus pack is the All-in-One travel solution. Designed with an exclusive fashion and 6 great travel accessories to keep them safe, protected, and content from birth to booster.


  • ALL-IN-ONE TRAVEL SOLUTION - Bonus pack includes Ultra Mat R car seat protector, rear-facing Easy View mirror, Sun Stop, Baby on the Move Sign, extra cup holder and Stow n’ Go R car seat organizer.
  • 10 YEARS ONE CAR SEAT - The Radian® 3RXT All-in-One car seat is designed and engineered to keep your child safe from birth to booster (5 - 120 lb).
  • ORIGINAL 3 ACROSS - As your family grows, the slimfit design will fit 3 across in most vehicles without compromising child safety or passenger comfort.
  • STEEL REINFORCED FRAME - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect.
  • REAR-FACING FOR LONGER - With extended rear-facing from birth up to 50 lb to keep your child in the safest travel position for as long as possible.

Product Specs

  • Minimum User Weight: 5 lb / 2.3 kg
  • Maximum User Weight: 120 lb / 54 kg
  • Minimum User Weight - Rear Facing: 5 lb / 2.3 kg
  • Maximum User Weight - Rear Facing: 50 lb / 22.7 kg
  • Maximum User Weight - Rear Facing LATCH: 35 lb / 15.8 kg
  • Minimum User Weight - Forward Facing: 22 lb / 10 kg
  • Maximum User Weight - Forward Facing: 65 lb / 29.5 kg
  • Maximum User Weight - Forward Facing LATCH: 40 lb / 18 kg
  • Minimum User Weight - Booster: 40 lb / 18 kg
  • Maximum User Weight - Booster: 120 lb / 54 kg
  • Maximum User Height: 57.1 in / 145 cm
  • Number of Head Support Positions: 12
  • Product Height: 28.5 in / 72.4 cm
  • Product Width: 17 in / 43.2 cm
  • Product Depth: 16 in / 40.6 cm
  • Seat Weight: 30 lb / 13.6 kg

Care & Maintenance

Covers: Machine wash cold, line dry. Shell and Components: Spot clean

Warranty Information

12 months standard warranty - extended to 36 months when you register with Diono® post purchase

The Diono Difference

The Radian® R series features a unique combination of diono car seat engineering and rigorous testing.
Every Radian® All-in-One Convertible Car Seat is designed to adapt as your child grows to offer a custom fit from birth to booster (up to 120 lb.)
Built with our famous Radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.
Engineered to keep your child rear-facing for longer up to 50 lb.