Child Safety

Knowledge Centre

Expert guidance for every stage of your child's journey

Understanding Car Seat Stages

01

Stage 01

Baby Stage

40 – 85 cm / 0 – 13 kg
Birth – ~15 months
Shop Stage
02

Stage 02

Toddler Stage

61 – 125 cm / up to 36 kg
3 months – ~7 years
Shop Stage
03

Stage 03

Child Stage

76 – 150 cm / 15 – 36 kg
15 months – ~12 years
Shop Stage

Expert Guides

Safety Knowledge

How to Choose the Right Car Seat
The Complete Guide
8 min read

How to Choose the Right Car Seat

Selecting the perfect car seat is one of the most important decisions a parent makes. Our comprehensive guide walks you through every consideration — from your child's size and age to vehicle compatibility and installation methods.

Read More
Rear-Facing: Why It Matters
Safety Science Explained
6 min read

Rear-Facing: Why It Matters

Extended rear-facing is the safest way to travel with young children. Discover the biomechanics behind this recommendation and how Britax Römer's rear-facing seats exceed international standards.

Read More
Understanding i-Size (R129)
The New Safety Standard
5 min read

Understanding i-Size (R129)

The ECE R129 (i-Size) regulation represents a significant advance over the older R44 standard. Learn what it means for your child's protection and why all Britax Römer seats meet or exceed this benchmark.

Read More
ISOFIX: The Safest Installation
Installation Excellence
7 min read

ISOFIX: The Safest Installation

Britax Römer co-invented ISOFIX — the gold standard for car seat installation. Understand how rigid anchorage eliminates the most common cause of car seat failure: incorrect installation.

Read More
Side Impact Protection
SICT Technology
5 min read

Side Impact Protection

Side collisions account for 25% of all car accidents. Britax Römer's Side Impact Cushion Technology (SICT) reduces lateral forces by up to 40%, providing a shield against the most dangerous type of crash.

Read More
When to Move to the Next Stage
Growth & Transition Guide
6 min read

When to Move to the Next Stage

Knowing when your child has outgrown their current seat — and which seat comes next — is essential for continuous protection. Our stage guide provides clear, weight-based and height-based transition markers.

Read More