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Charlie
Charlie
Charlie
Charlie
Charlie
1/10
Charlie

Charlie

i-Size Booster Seat

Charlie is there for the last big chapter of your child’s car seat journey. As they grow from curious toddler to confident pre-teen, our high-back booster adapts effortlessly to their changing needs, making every ride safe, comfortable, and worry-free.
Color:Bold Black
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Who’s it for?

For the bigger ones

100 cm (~3,5 years) -- 150 cm (~12 years)
Why do you love it?
  • Automatically expanding side wings
  • Cosy, adjustable headrest
  • Excellent airflow
  • Additional side protection
  • Optimised seating area
  • Easy-peasy buckling up
What's in the box?
  • Charlie i-Size booster seat in your preferred colour
  • Side Impact Buddy
  • Fabric Installation Tool
What else do I need to know?
  • I-SIZE, ECE R129/03
    Certified to meet the most demanding safety regulations
  • Product dimensions: 48 x 51 x 79 cm
  • Weight: Net: 6.7 kg, Gross: 9.5 kg

Essential add-ons

Universal Booster Footrest

Universal Booster Footrest

Superior support for every adventure!

Armrests

Armrests

Everybody needs a good rest.

Sun Cap

Sun Cap

Optimal UV protection for those glorious summer drives.

Universal Seat Protector

Universal Seat Protector

Keep things neat and protect your seat!

Universal Seat Protector Pro

Universal Seat Protector Pro

Premium care for premium rides!

Meet Charlie

Giving your child space to grow and explore can be challenging — but with Charlie by their side, you can feel confident they’re supported every step of the way. Named after Charles Darwin, this high-back booster grows with your child up to 150 cm. Combining award-winning design with top-rated safety, including a 5-star side-impact protection score, Charlie makes every journey more relaxed for the whole family.

What makes Charlie so special?

Buckling up made easy
The clever seat belt routing lets your child learn to secure themselves safely — boosting confidence while giving parents peace of mind
Perfect space, always
Flexible side wings that expand automatically hit the sweet spot between maximum protection and optimal comfort for your child.
Protection from all sides
Continuous side protection is enhanced by the Side Impact Buddy, giving an extra layer of defence on the window-facing side.
Comfort that grows
Charlie’s cushy headrest grows with your child, providing support and comfort from toddler to pre-teen.
Peace of mind at your fingertips
The Paramedic Wristband keeps essential health information accessible in case of an emergency.
Optimised seating area
Perfect seating geometry spreads pressure evenly, making longer journeys more comfortable.
Sit back and keep cool
Premium mesh fabrics and smart ventilation keep air flowing, ensuring breezy rides from start to finish.

What people love about us

Rated 4.7/5 with 12,000+ verified reviews
Rated 4.7/5 with 12,000+ verified reviews
What I love the most about CHARLIE are the innovative solutions like the adjustable headrest, soft upholstery, expansion of the sides of the seat, and consistent design.
Magda Florek-Ludwig
Really neat and sleek seat. Easy to install and remove as and when needed. Our boy says “it’s the comfiest seat in the World!”
- Matt E
Can't fault our Charlie. After much deliberation, took the plunge as our tall 4 year old (114cm) was complaining about being uncomfortable in her previous seat. No such complaints in this.
- Rob D
1st Class service from delivery to install.
- Howard M
Big fan of how easy Charlie is for kids to use independently. Our son gets in, buckles up, and we’re ready to go.
- Daniel Harper

See Charlie in 3D

Frequently asked questions about Charlie

Are the fabrics used on Charlie washable?

Keeping it clean has never been this easy! All our car seat fabrics are machine washable at 30°C. Just check the user manual or washing tag for the nitty-gritty details. And a little tip from us: avoid the tumble dryer to prevent any shrinkage surprises. Your car seat cover will thank you!
What is the weight limit of Charlie?

Our booster seat, Charlie, is certified under the EU R129 i-Size regulation and can be used for children up to 150 cm in height and up to 55 kg in weight. Find out more details about European car seat laws on our blog. https://swandoo-com.myshopify.com/blogs/news/r129-i-size-and-more-european-child-seat-regulations-explained.
Can Charlie be used rearward-facing?

Charlie can only be installed forward-facing. However, if your vehicle has seats that can flip to a rearward-facing position, like in some buses or SUVs, you’re good to go!

We always recommend keeping your child rear-facing for as long as possible before moving to a booster seat. If you are looking for a rear-facing child seat for your toddler, have a look at our rotating car seat, Marie.

What is the width of Charlie? Can I fit three seats in a row?

That depends on (a) the width of your vehicle and (b) the height of your children. Up to 135 cm, Charlie measures 43 cm in width. Once your kids grow beyond the 135 cm mark, the side wings expand automatically to 51 cm in width, allowing for increased internal space and comfort.
Can I install Charlie without ISOFIX?

YES! Charlie can be installed with and without ISOFIX in all vehicles.
What is the safety rating of Charlie?

Safety has never looked this good! Our booster seat achieved top safety results at the European consumer tests in May 2023, with an overall score of 1.9, and with an incredible 5-star rating for side impacts. In other words, the booster seat with the best side impact safety in its category! Read more about our side-impact champion here.
Lifetime Warranty
Award Winning Safety & Design
Designed for Comfort