DIONO

Strong, Smart, and Secure – Discover Diono Car Seats There’s nothing more important than keeping your child safe, secure, and comfortable every time you hit the road. That’s exactly what Diono car seats are made for—providing unmatched safety, long-lasting durability, and space-saving design that fits your family’s needs. Whether you’re looking for an all-in-one convertible seat, a slim-fit option, or a seat that allows for extended rear-facing, this collection is packed with innovative features to give parents peace of mind and kids the comfort they deserve. If you want a car seat that grows with your child, protects at every stage, and fits seamlessly into your backseat, you’re going to love this collection. Why Parents Trust Diono for Every Journey 1. One Car Seat for 10 Years – Meet the Diono Radian 3RXT Why buy multiple car seats when one can do it all? The Diono Radian 3RXT is built to grow with your child, from their very first ride home to their booster-seat years. With extended rear-facing up to 50 lbs, it keeps your little one in the safest position for longer, giving you peace of mind on every journey. Safety? It’s got that covered with a steel-reinforced frame and side-impact protection for all-around security. Comfort? Absolutely—memory foam padding and an adjustable headrest make every ride cozy. And because life happens, it even folds flat for easy travel. Whether it’s a quick trip or a road trip, this car seat is designed to make every mile safer, easier, and comfier for your little one. 2. Three Across, No Compromise – Diono Radian 3R Need to fit three car seats across without sacrificing comfort? The Diono Radian 3R is designed for just that. With its ultra-slim profile, it allows families to maximize space in the backseat while still delivering the same steel-reinforced safety and convertible design. Whether it’s rear-facing, forward-facing, or booster mode, this product ensures years of use with a single seat. 3. Safety Meets Strength – The Power of Diono Radian Every Diono Radian car seat is engineered with a steel-reinforced core, energy-absorbing materials, and advanced side-impact protection. Unlike traditional car seats, the Diono 3RXT and 3R offer superior structural integrity, ensuring maximum protection for your child in any situation. 4. Travel-Friendly and Adventure-Ready Frequent traveler? The Diono Radian series is designed with foldability for easy transport, making it one of the best car seats for families on the go. Whether you’re switching cars, hopping on a flight, or storing it away, Diono makes traveling with kids easier than ever. Why Diono Car Seats Belong in Your Backseat Your child’s safety is non-negotiable, and with Diono, you’re choosing a car seat that delivers premium protection, comfort, and longevity. From the Diono Radian 3RXT’s all-in-one versatility to the space-saving genius of the Diono Radian 3R, these seats are built for real families and real adventures. If you’re looking for a car seat that grows with your child, provides unmatched safety, and fits your lifestyle, explore our collection at Kido Bébé today—because every ride should be as safe as it is comfortable.

Strong, Smart, and Secure – Discover Diono Car Seats There’s nothing more important than keeping your child safe, secure, and comfortable every time you hit the r... Read more

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DIONO DIONO Ultra Mat $39.99 CAD

The Diono Ultra Mat Car Seat Protector protects your car upholstery from scratches and dents from your car seat. It comes with top and bottom grip surfaces to prevent car seat slips while the handy front organizer pocket is ideal for storing essentials. It is equipped with waterproof washable fabric...

DIONO DIONO Rear-Facing Angle... $29.99 CAD

Designed to give the perfect fit when rear-facing, the Diono Rear-Facing Angle Adjuster is a smart solution to provide extra room for your front seat without compromising your child's safety. This clever device is a must-have for compact and smaller vehicles, and to maximise Diono Radian® seats to stay rear-facing...

DIONO DIONO Seat Protector Ul... $22.99 CAD

The Diono Seat Protector Ultra Dry prevents car seat slip and protects from wear & tear. Product Features Versatile: designed to work with seat belt installation and LATCH installation and suitable for all car seats, rear-facing and forward-facing, booster seats included. Organize on the Go: we’ve added front pockets for...

DIONO DIONO Buggy Buddy Strol... $17.99 CAD

The Diono Buggy Buddy Stroller Bag will store your essentials near you and keep them organized when you're out for a walk. It features a zippered pocket for your valuables, an insulated drink holders and an insulated cargo bin. This is the perfect stroller accessory to carry snacks, drinks, and everything in...

DIONO DIONO See Me Too Mirror... $15.99 CAD

The Diono Universal Mirror attaches easily, offering hassle-free installation. From smaller cars to SUV’s, this universal mirror will easily fit the back of any vehicle headrest or rear-view mirror. It is made from shatterproof materials and is crash tested, making it an ideal mirror for your maximum protection. With an...

About the Collection

Strong, Smart, and Secure – Discover Diono Car Seats

There’s nothing more important than keeping your child safe, secure, and comfortable every time you hit the road. That’s exactly what Diono car seats are made for—providing unmatched safety, long-lasting durability, and space-saving design that fits your family’s needs.

Whether you’re looking for an all-in-one convertible seat, a slim-fit option, or a seat that allows for extended rear-facing, this collection is packed with innovative features to give parents peace of mind and kids the comfort they deserve.

If you want a car seat that grows with your child, protects at every stage, and fits seamlessly into your backseat, you’re going to love this collection.

Why Parents Trust Diono for Every Journey

1. One Car Seat for 10 Years – Meet the Diono Radian 3RXT

Why buy multiple car seats when one can do it all? The Diono Radian 3RXT is built to grow with your child, from their very first ride home to their booster-seat years. With extended rear-facing up to 50 lbs, it keeps your little one in the safest position for longer, giving you peace of mind on every journey.

Safety? It’s got that covered with a steel-reinforced frame and side-impact protection for all-around security. Comfort? Absolutely—memory foam padding and an adjustable headrest make every ride cozy. And because life happens, it even folds flat for easy travel. Whether it’s a quick trip or a road trip, this car seat is designed to make every mile safer, easier, and comfier for your little one.

2. Three Across, No Compromise – Diono Radian 3R

Need to fit three car seats across without sacrificing comfort? The Diono Radian 3R is designed for just that. With its ultra-slim profile, it allows families to maximize space in the backseat while still delivering the same steel-reinforced safety and convertible design. Whether it’s rear-facing, forward-facing, or booster mode, this product ensures years of use with a single seat.

3. Safety Meets Strength – The Power of Diono Radian

Every Diono Radian car seat is engineered with a steel-reinforced core, energy-absorbing materials, and advanced side-impact protection. Unlike traditional car seats, the Diono 3RXT and 3R offer superior structural integrity, ensuring maximum protection for your child in any situation.

4. Travel-Friendly and Adventure-Ready

Frequent traveler? The Diono Radian series is designed with foldability for easy transport, making it one of the best car seats for families on the go. Whether you’re switching cars, hopping on a flight, or storing it away, Diono makes traveling with kids easier than ever.

Why Diono Car Seats Belong in Your Backseat

Your child’s safety is non-negotiable, and with Diono, you’re choosing a car seat that delivers premium protection, comfort, and longevity. From the Diono Radian 3RXT’s all-in-one versatility to the space-saving genius of the Diono Radian 3R, these seats are built for real families and real adventures.

If you’re looking for a car seat that grows with your child, provides unmatched safety, and fits your lifestyle, explore our collection at Kido Bébé today—because every ride should be as safe as it is comfortable.

About the Brand

Diono – Where Safety Meets Comfort for Your Little One

Parenting is an adventure, and Diono makes sure you’re ready for every ride. Founded in 1999 in Seattle, Washington, Diono has spent over two decades revolutionizing child travel safety with cutting-edge engineering, innovative design, and a deep commitment to making every journey safer, smoother, and stress-free.

From convertible car seats that grow with your child to slim-fit designs that maximize space, Diono is all about smart solutions for modern families. Whether you’re looking for a Diono car seat, the Diono Radian 3RXT, or the Diono Radian 3R, you can count on their signature blend of strength, comfort, and versatility to keep your little one safe on the road.

Why Parents Trust Diono

✔ Born to Protect – Diono’s car seats are engineered with a full steel core, energy-absorbing foam, and side-impact protection, ensuring top-tier safety from infancy to booster age.
✔ Grows with Your Child – The Diono Radian series is an all-in-one convertible car seat, transitioning from rear-facing (birth to 4 years) to forward-facing (up to 65 lbs) to booster mode (up to 120 lbs)—one seat, 10+ years of use.
✔ Slim Yet Strong – The Radian 3RXT and Radian 3R fit three across in most vehicles, perfect for growing families who need space without sacrificing safety.
✔ Built for the Journey – Foldable, travel-ready, and designed with high-quality memory foam, Diono car seats offer ultimate comfort and convenience.
✔ Crash-Tested Beyond Standards – Diono seats exceed safety regulations in the U.S., Canada, and Europe, ensuring your child is protected from every angle.

More Than Just Car Seats

Diono understands that family life doesn’t stop at car rides. That’s why they offer a full range of travel solutions to make parenting on the go easier.

Strollers & Travel Systems – Lightweight, durable, and designed for busy families on the move.

Booster Seats – Safe, stylish, and perfect for big kids who still need a boost in safety.

Car Seat Accessories – Mirrors, seat protectors, and organizers to keep your car tidy and functional.

Baby Carriers – Ergonomic, breathable, and perfect for active parents.

Find Diono in Canada at Kido Bébé

At Kido Bébé, we believe in giving parents the best, and Diono delivers just that. Whether you need a Diono Radian 3RXT for extended rear-facing safety or a Diono Radian 3R for its sleek, space-saving design, we’ve got the best Diono car seats in Canada.

Shop now and travel with confidence—because parenting is a journey, and Diono is built for the ride.

Frequently asked questions

Diono car seats are a total game-changer for parents who want top-tier safety, comfort, and convenience all in one. One of the biggest reasons parents love them? They last! Models like the Diono Radian 3RXT grow with your child from newborn to booster, meaning you don’t have to buy multiple seats over the years. Plus, they’re steel-reinforced, which means they’re built like a tank when it comes to safety. But what makes them stand out is their super slim design, you can fit three across in most back seats, something that’s almost impossible with other brands. And let’s not forget the extended rear-facing mode (up to 50 lbs!), which keeps little ones safer for longer. When you combine all that with their comfortable padding and travel-friendly foldability, it’s easy to see why so many parents swear by Diono.

The Diono Radian 3RXT isn’t just any convertible car seat, it’s an all-in-one solution designed to keep your child safe and comfortable from day one until they no longer need a car seat. What makes it special? First, it has extended rear-facing up to 50 lbs, which means your child can stay in the safest position for longer. It also has a reinforced steel frame, energy-absorbing foam, and extra side-impact protection, giving parents total peace of mind. But it’s not just about safety—this seat is built for convenience too. It’s slim enough to fit three across, comfortable for long rides, and foldable for easy transport. Whether you’re using it for a newborn or an older child, the Diono Radian 3RXT is designed to last for 10 years, making it one of the best investments for growing families.

The Diono Radian 3R is perfect for parents who want a long-lasting, ultra-safe, and space-saving car seat without all the extra bells and whistles. It’s a slim-fit, all-in-one convertible seat that can be used from 5 lbs (newborn stage) all the way to 120 lbs (booster mode)—yes, that means one seat for your child’s entire car seat journey! It’s built with a steel-reinforced frame, making it incredibly durable and impact-resistant. Like all Diono seats, it allows for extended rear-facing up to 40 lbs, which is safer for your little one. One cool feature? It’s foldable, so if you ever need to take it on a trip or move it between cars, it’s super easy to carry. If you love the Diono Radian line but want something a little more budget-friendly, the 3R is a fantastic option.

Yes! If you’ve ever struggled with fitting multiple car seats in the back of your car, you know how frustrating it can be. That’s where Diono Radian car seats shine—they’re designed to be narrow enough to fit three across in most mid-sized cars without cramping the space. Unlike bulky car seats that take up an entire row, the Diono Radian series keeps things compact without sacrificing safety or comfort. The steel-reinforced frame and energy-absorbing materials ensure each seat is just as protective as wider models, while the SuperLATCH system makes installation easy and secure. Whether you have twins, multiple young kids, or are planning for more, Diono’s three-across fit is a total lifesaver for parents who need to maximize their backseat space.

Think of the Diono 3RXT as the luxury version of the Diono 3R—same amazing slim-fit, all-in-one design, but with a few extra perks. The biggest difference? Side-impact protection. The 3RXT has reinforced side wings and an adjustable headrest, giving extra protection for growing kids. It also comes with memory foam padding, making it way more comfortable for long rides. Both models offer extended rear-facing (40 lbs for the 3R, 50 lbs for the 3RXT), forward-facing, and booster seat modes, so they last just as long. If you’re looking for a budget-friendly Diono seat that still has all the essentials, the 3R is a solid choice. But if you want extra safety, comfort, and premium features, the Diono 3RXT is worth the upgrade.