The Best Diono 2025

1. Diono Radian 3R, 3-in-1 Convertible Rear & Forward Facing Convertible Car Seat, High-Back Booster, 10 Years 1 Car Seat, Slim Design - Fits 3 Across, Black Jet

REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

Diono Radian 3R, 3-in-1 Convertible Rear & Forward Facing Convertible Car Seat, High-Back Booster, 10 Years 1 Car Seat, Slim Design - Fits 3 Across, Black Jet

2. Diono Radian 3R, 3-in-1 Convertible Rear & Forward Facing Convertible Car Seat, High-Back Booster, 10 Years 1 Car Seat, Slim Design - Fits 3 Across, Gray Slate

REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

Diono Radian 3R, 3-in-1 Convertible Rear & Forward Facing Convertible Car Seat, High-Back Booster, 10 Years 1 Car Seat, Slim Design - Fits 3 Across, Gray Slate

3. Diono Radian 3R, 3-in-1 Convertible Rear and Forward Facing Convertible Car Seat, High-Back Booster, 10 Years 1 Car Seat, Slim Design - Fits 3 Across, Red Cherry

REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

4. Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Blue

XL BOOSTER WITH ROOM TO GROW- Keep your child safe and comfortable with the backless booster seat mode now up to 120 lb / 54 kg. Wide booster with ergonomically contoured seat prevents slipping and has extra length for better leg support LIGHTWEIGHT & PORTABLE- This lightweight design makes this backless booster in any mode easy to transfer between vehicles TWO RETRACTABLE CUP HOLDERS- Space saving cup holders keep drinks and snacks within easy reach QUICK, SECURE INSTALLATION- Integrated LATCH connectors and front adjusters allows you to quickly tighten the booster to the vehicle seat with ease MACHINE WASH- The comfortable fabric cover is easily to remove and machine washable for easy and quick cleaning

Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Blue

5. Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Pink

Color:Pink | Style:Single Perfect for fast growing kids from 40 - 120 lbs. (18 - 54 kg) and up to 63" (160cm) The Solana 2 booster seat is built for child comfort and parent convenience with easy-to-use features to make the textbook travel companion. Equipped with integrated latch connectors and front adjusters Solana can be quickly and securely connected to your vehicle, enhancing safety and stability. So, your child will enjoy a comfortable and safe journey whether you're taking them to school, a playdate with a friend or an overnight visit with grandparents. Weighing only 6.6lb Solana 2 is super lightweight and allows you to move the seat between vehicles with ease. Life with your little one is never dull, so why would your booster be? That's why we've introduced a variety of bright and vivid color choices to Solana 2, using comfortable fabric covers that can be easily removed and machine washed for effortless care. Two swivel cup holders are located on both sides of the seat bottom, so you can store drinks and snacks within reach to keep your little ones happy while they see the world. When not in use simply swivel back inward to lock and hide away.

Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Pink

6. Diono Radian 3RXT, 4-in-1 Convertible Extended Rear and Forward Facing Convertible Car Seat, Steel Core, 10 Years 1 Car Seat, Ultimate Safety and Protection, Slim Design - Fits 3 Across, Purple Plum

SAFE & COMFORTABLE NEWBORN POSITIONING: Features newborn travel high wedge to create a safe and secure lie-flat travel position. The innovative technology pushes baby up to reduce head slump while helping to keep airways open. As your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning liner for support REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3RXT adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

SAFE & COMFORTABLE NEWBORN POSITIONING: Features newborn travel high wedge to create a safe and secure lie-flat travel position. The innovative technology pushes baby up to reduce head slump while helping to keep airways open. As your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning liner for support REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3RXT adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

7. Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Black

XL BOOSTER WITH ROOM TO GROW- Keep your child safe and comfortable with the backless booster seat mode now up to 120 lb / 54 kg. Wide booster with ergonomically contoured seat prevents slipping and has extra length for better leg support LIGHTWEIGHT & PORTABLE- This lightweight design makes this backless booster in any mode easy to transfer between vehicles TWO RETRACTABLE CUP HOLDERS- Space saving cup holders keep drinks and snacks within easy reach QUICK, SECURE INSTALLATION- Integrated LATCH connectors and front adjusters allows you to quickly tighten the booster to the vehicle seat with ease MACHINE WASH- The comfortable fabric cover is easily to remove and machine washable for easy and quick cleaning

Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Black

8. Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Blue

XL BOOSTER WITH ROOM TO GROW- Keep your child safe and comfortable with the backless booster seat mode now up to 120 lb / 54 kg. Wide booster with ergonomically contoured seat prevents slipping and has extra length for better leg support LIGHTWEIGHT & PORTABLE- This lightweight design makes this backless booster in any mode easy to transfer between vehicles TWO RETRACTABLE CUP HOLDERS- Space saving cup holders keep drinks and snacks within easy reach QUICK, SECURE INSTALLATION- Integrated LATCH connectors and front adjusters allows you to quickly tighten the booster to the vehicle seat with ease MACHINE WASH- The comfortable fabric cover is easily to remove and machine washable for easy and quick cleaning

Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Blue

9. Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Pink

XL BOOSTER WITH ROOM TO GROW- Keep your child safe and comfortable with the backless booster seat mode now up to 120 lb / 54 kg. Wide booster with ergonomically contoured seat prevents slipping and has extra length for better leg support LIGHTWEIGHT & PORTABLE- This lightweight design makes this backless booster in any mode easy to transfer between vehicles TWO RETRACTABLE CUP HOLDERS- Space saving cup holders keep drinks and snacks within easy reach QUICK, SECURE INSTALLATION- Integrated LATCH connectors and front adjusters allows you to quickly tighten the booster to the vehicle seat with ease MACHINE WASH- The comfortable fabric cover is easily to remove and machine washable for easy and quick cleaning

XL BOOSTER WITH ROOM TO GROW- Keep your child safe and comfortable with the backless booster seat mode now up to 120 lb / 54 kg. Wide booster with ergonomically contoured seat prevents slipping and has extra length for better leg support LIGHTWEIGHT & PORTABLE- This lightweight design makes this backless booster in any mode easy to transfer between vehicles TWO RETRACTABLE CUP HOLDERS- Space saving cup holders keep drinks and snacks within easy reach QUICK, SECURE INSTALLATION- Integrated LATCH connectors and front adjusters allows you to quickly tighten the booster to the vehicle seat with ease MACHINE WASH- The comfortable fabric cover is easily to remove and machine washable for easy and quick cleaning

10. Diono Solana 2 Latch, XL Space Backless Booster Seat, | Lightweight Backless Booster with Room to Grow, 8 Years 1 Booster Seat, Black 15.75 x 17.87 x 8.78 inches

XL BOOSTER WITH ROOM TO GROW- Keep your child safe and comfortable with the backless booster seat mode now up to 120 lb / 54 kg. Wide booster with ergonomically contoured seat prevents slipping and has extra length for better leg support LIGHTWEIGHT & PORTABLE- This lightweight design makes this backless booster in any mode easy to transfer between vehicles.Shell and Components: Spot clean TWO RETRACTABLE CUP HOLDERS- Space saving cup holders keep drinks and snacks within easy reach QUICK, SECURE INSTALLATION- Integrated LATCH connectors and front adjusters allows you to quickly tighten the booster to the vehicle seat with ease MACHINE WASH- The comfortable fabric cover is easily to remove and machine washable for easy and quick cleaning

XL BOOSTER WITH ROOM TO GROW- Keep your child safe and comfortable with the backless booster seat mode now up to 120 lb / 54 kg. Wide booster with ergonomically contoured seat prevents slipping and has extra length for better leg support LIGHTWEIGHT & PORTABLE- This lightweight design makes this backless booster in any mode easy to transfer between vehicles.Shell and Components: Spot clean TWO RETRACTABLE CUP HOLDERS- Space saving cup holders keep drinks and snacks within easy reach QUICK, SECURE INSTALLATION- Integrated LATCH connectors and front adjusters allows you to quickly tighten the booster to the vehicle seat with ease MACHINE WASH- The comfortable fabric cover is easily to remove and machine washable for easy and quick cleaning