Skip to content


Understanding i-Size Car Seats: The New Standard of Safety

by Angelos Elia 12 Oct 2023

Welcome to another Mari Kali blog post, where we aim to provide you with valuable information to ensure the well-being of your little ones. Today, we're diving deep into the topic of child car seat safety—a concern that's paramount for any parent. When it comes to your child's safety, particularly while on the road, there is no room for compromise. Ensuring that your child is properly secured in a car seat that meets the highest safety standards is not just responsible parenting; it's a legal requirement.

Importance of Car Seat Safety

Car seats are designed to protect your child from the inherent risks associated with road travel. According to various studies, proper use of an approved car seat can drastically reduce the risk of injury or death in the unfortunate event of an accident. Yet, choosing the right car seat can be overwhelming, given the plethora of options available. Safety standards evolve, and it's crucial for parents to keep up with the latest guidelines. That's where i-Size comes in—the latest standard in car seat safety that promises not only stricter safety measures but also more compatibility and easier installation.

What is i-Size?

i-Size is the name of a new European standard for child car seats, also known as UN R129. Established in July 2013, this new regulation aims to make car seats even safer than before. Unlike the previous standard, i-Size car seats undergo more rigorous testing and have stricter guidelines that manufacturers must follow to obtain approval for sale.

Why i-Size is Important

Understanding the significance of the i-Size standard will help you make a more informed decision when shopping for a car seat. Here are the key aspects that make i-Size stand out:

  1. Stricter Safety Regulations: i-Size brings in new, stringent safety standards. For instance, side-impact testing is now mandatory, providing an extra layer of assurance that your child is well-protected from various angles during a collision.

  2. Greater Compatibility: One of the major benefits of i-Size seats is their universal compatibility with i-Size certified vehicle seating. This makes it easier for parents to install the car seat correctly, reducing the risk of improper installation.

  3. Easier Installation: i-Size car seats predominantly use the ISOFIX attachment system, creating a more secure connection between the seat and the car. This minimizes the chances of installation errors, which are a significant factor in car seat-related injuries.

  4. Mandatory Rear-Facing: The i-Size standard makes it compulsory for children to be seated in a rear-facing position until they are at least 15 months old, offering superior protection for the child's head and neck.

  5. Height-Based Classification: Unlike the older standard, which used weight as the main criteria for selecting a car seat, i-Size uses height. Parents generally know their child's height better than their weight, making it easier to choose the most appropriate seat.

Comparing i-Size to the Previous Standard (R44/04)

Understanding the differences between i-Size (R129) and the previous standard, R44/04, will provide you with valuable insights into why i-Size is becoming the preferred choice for safety-conscious parents. Below, we compare the two based on key criteria:

  1. Body Classification: In R44/04, the child’s weight was the primary metric for selecting the correct car seat. i-Size switches the focus to height, which is often easier for parents to monitor.

  2. Installation Methods: While R44/04 offered different ways to install car seats—ranging from seat belts to ISOFIX—i-Size standardizes installation by making ISOFIX the primary method. This reduces the risk of incorrect installation and ensures a more secure fit.

  3. Side-Impact Testing: Although some R44/04 seats underwent side-impact testing, it was not a mandatory requirement. i-Size mandates side-impact testing for all seats, enhancing the safety features and offering better protection against lateral collisions.

  4. Rear-Facing Requirement: While R44/04 had some guidelines regarding the age at which a child could be forward-facing, i-Size makes it compulsory for children to travel in a rear-facing position until they are at least 15 months old. This is a significant step forward in protecting a child’s head and neck during travel.

  5. Vehicle Compatibility: i-Size offers broader compatibility across various car models, thanks to universal i-Size certified vehicle seating. This makes it easier for parents to choose a seat without worrying about its fit with their car.

Legal Aspects

It’s essential to note that as of now, both R44/04 and i-Size (R129) co-exist, with R129 expected to become the sole standard in the future. Although the transition date hasn't been confirmed yet, investing in an i-Size seat now will ensure you're ahead of the curve when it comes to your child's safety.

How to Choose the Right i-Size Car Seat

Choosing an i-Size car seat involves more than just considering its compatibility with your car; you also need to ensure that it’s the perfect fit for your child. Here are some tips to guide you:

  1. Check Your Child’s Height: Since i-Size classifications are based on height rather than weight, be sure to know your child's current height before shopping for a seat.

  2. Consult the Vehicle Compatibility List: Even though i-Size seats generally offer broad compatibility, it’s always prudent to check the manufacturer's list for specific compatibility with your car model.

  3. Read Reviews and Ratings: Look out for customer reviews and safety ratings. These can provide a valuable second opinion on aspects like ease of use, comfort, and of course, safety.

  4. Visit a Store: If possible, visit a store to physically inspect the seat. Some shops, like Mari Kali, offer personalized consultations to ensure you’re making the right choice.

  5. Check for Quality Seals: Look for quality seals or awards that indicate the seat has been tested and rated highly for safety.


When it comes to the safety of your child, no measure is too great. i-Size is a giant leap forward in car seat safety standards, offering better protection, greater compatibility, and easier installation. While transitioning to the i-Size standard is not yet a legal requirement, the compelling benefits make a strong case for making the switch sooner rather than later.

Here at Mari Kali, we prioritize the safety and well-being of your children. If you have any more questions about i-Size car seats or need personalized recommendations, feel free to visit our stores in Limassol and Paphos, or contact us online. Our team is always here to guide you in making the best choices for your family’s needs.

930 x 520px


Sample Block Quote

Praesent vestibulum congue tellus at fringilla. Curabitur vitae semper sem, eu convallis est. Cras felis nunc commodo eu convallis vitae interdum non nisl. Maecenas ac est sit amet augue pharetra convallis.

Sample Paragraph Text

Praesent vestibulum congue tellus at fringilla. Curabitur vitae semper sem, eu convallis est. Cras felis nunc commodo eu convallis vitae interdum non nisl. Maecenas ac est sit amet augue pharetra convallis nec danos dui. Cras suscipit quam et turpis eleifend vitae malesuada magna congue. Damus id ullamcorper neque. Sed vitae mi a mi pretium aliquet ac sed elitos. Pellentesque nulla eros accumsan quis justo at tincidunt lobortis deli denimes, suspendisse vestibulum lectus in lectus volutpate.
Prev Post
Next Post

Thanks for subscribing!

This email has been registered!

Shop the look

Choose Options

Have Questions?
this is just a warning
Shopping Cart
0 items