BeSafe
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DESCRIPTION
QUICK FEATURES
BeSafe Flex FIX 2
£224.00
£229.00
Frequently Asked Questions
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Vehicle Compatibility Support
Help choosing a seat suitable for your vehicle.
Expert Car Seat Fitting
Expert fitting and guidance from trained specialists.
Safety Focused Expertise
Specialist knowledge focused on child car seat safety.
Support After Your Purchase
Ongoing advice and support after your purchase.
The BeSafe Flex FIX 2 is a forward-facing i-Size high-back booster for children from 100–150 cm (around 4–12 years). Slim enough to fit three seats in a row, with extra side-impact protection and a dedicated nap mode.
Free fitting when you buy from us – book a one-hour appointment in store and we'll fit the seat in your car and show you how to use it.
Delivery: free to UK mainland and Northern Ireland, or collect free from Towcester, Rayleigh or our Belfast fitting day – with free fitting included.
Is your child ready for a booster?
As extended rear-facing (ERF) specialists, we recommend keeping your child rear-facing for as long as possible – ideally to 125 cm. Not sure if it's time to move up? Ask us and we'll help you decide.
Will it fit my car?
The Flex FIX 2 fits with the car's 3-point belt, or with ISOFIX plus the belt for extra stability. It's i-Size approved up to 135 cm; from 135–150 cm it's approved for specific vehicles. Call or email us with your car make, model and year and we'll check it for you – or book a free fitting appointment.
Buy from the UK's oldest car seat specialist
- Free fitting on every seat bought from us (£25 fitting fee for seats bought elsewhere).
- 40 years' experience fitting car seats – we're extended rear-facing (ERF) specialists.
- One-hour fitting appointments in store at Towcester and Rayleigh (Essex), plus monthly appointments in Belfast.
- Expert advice before you buy – not sure if this is the right seat? Ask us and we'll talk you through the options.
At a glance
- Standard: UN R129 (100–135 cm i-Size, 135–150 cm specific vehicles)
- Child height: 100–150 cm
- Age: approx. 4–12 years
- Direction: forward-facing high-back booster
- Installation: 3-point belt, or ISOFIX with 3-point belt
- Headrest: EPP, with Dynamic Force Absorber™
- Side impact protection: SIP bumpers and SIP+
Key features
- Three in a row – slim design lets you fit up to three seats across the back.
- Trampoline-effect headrest – innovative construction to absorb crash forces.
- PAD+ – extra chin and chest protection.
- Shoulder and lap belt guides – keep the belt in the right position on your child.
- Nap mode – keeps your child comfortable if they fall asleep.
- Upgraded from BeSafe's award-winning iZi Flex FIX i-Size.
Care
Wash the cover at 30°C on a delicate or wool cycle. Do not bleach, tumble dry, iron or dry clean. Dry flat. See the label on the back of the cover for details.
Expert Advice You Can Trust
Car seat specialists who help you choose the right option for your child, your car and your daily routine with support before and after you buy.
Fits Your Car. Fits Your Child
Avoid guesswork — get guidance choosing the right seat for your child’s age/height and your vehicle’s setup, so you buy with confidence.
Curated for Safety
A carefully selected range from trusted brands — no endless scrolling, just quality seats you can compare easily.
40+ Years of Trust
Since 1983, parents have relied on us for honest guidance, practical support and peace of mind on every journey.
Book an Expert Fitting
Book an appointment for hands-on help — see the seat, check fit in your car, and get it set up correctly first time.
