i-Size or ECE-R129 is the most up to date European safety standard for car seats. These car seats must be fitted in your vehicle using the ISOFix connectors. This reduces the risk of incorrect fitting. Another safety bonus is the addition of a side impact crash test in the approval process. R129 car seats have something for everyone, including 360° seats, adjustable headrests, extra deep padding, side impact protection and more.

APEX i-Size (ECE-R129) seat comes in three different size appropriate groupings:

40-87cm – Rear-facing to approximately 15 months

76-105cm – Forward-facing to approximately 4 years

100-150cm – Booster seat to approximately 12 years

Designed and manufactured to meet the stringent i-Size (ECE-R129) safety standards, the car seat offers maximum comfort and in-car protection for your most precious baby/child.
With a special focus on both head and neck area reinforcement, the i-Size car seat includes world-class side-impact protection (SIP) for maximum safeguard in the event of a collision.
What makes i-Size (ECE-R129) different from R44 regulation?  The R44 standard is based on the weight of your child. By contrast, i-Size (R129) is length-based.