Maxi-Cosi Onyx i-Size Car Seat – Full Graphite

Name: Maxi-Cosi Onyx i-Size Car Seat – Full Graphite
Brand: Maxi-Cosi
SKU: 8156122110
Price: 163.75 GBP
Availability: InStock

£163.75 GBP

Tax included. Shipping calculated at checkout.

Disclaimer: The names used in our product listings such as "Tiny Tears" are for descriptive purposes only. We do not claim ownership or affiliation with any trademarks unless explicitly stated. All rights belong to their respective owners.

This product meets UK safety regulations. Read our Product Safety & Compliance policy

The Maxi-Cosi Onyx i-Size Car Seat in Full Graphite offers premium safety and comfort for your growing child from 15 months up to 12 years (76–150 cm). Engineered with integrated G-CELL side impact protection and a secure 5-point harness, it provides maximum safety during both forward and side collisions.

With five recline positions and ten adjustable headrest settings, the Onyx adapts perfectly to your child’s comfort and growth stages. Once your child is ready, the harness can be easily stored away, transforming the seat into a high-back booster for older children.

Sustainably crafted with 100% recycled fabrics from plastic bottles, the Onyx not only supports your child’s safety and comfort but also contributes to a greener planet. Meeting the highest i-Size standards, this forward-facing car seat ensures safe and smooth journeys at every stage.

Product Highlights

Forward-facing i-Size car seat for children 15 months to 12 years (76–150 cm)
Five recline positions for maximum comfort
5-point safety harness with easy buckling system
Ten adjustable headrest height positions
Harness easily stores away when switching to booster mode
Advanced G-CELL side impact protection technology
Made with 100% recycled fabrics from plastic bottles
Meets the latest i-Size safety standards
Long-term use: grows with your child from toddler to pre-teen

Features and Benefits

Superior Protection: Integrated G-CELL side impact technology and a secure 5-point harness provide exceptional safety.
Flexible Recline: Choose from five recline positions to keep your child comfortable during both short trips and long journeys.
Easy Adjustment: Ten headrest positions ensure the perfect fit as your child grows.
Eco-Friendly Fabric: Made with 100% recycled textiles, giving plastic bottles a second life.
Seamless Transition: Harness can be neatly stored away when converting to a high-back booster.
Lasting Use: Designed for children aged 15 months to 12 years, covering a height range of 76–150 cm.

Technical Specifications

Brand: Maxi-Cosi
Model: Onyx i-Size
Colour: Full Graphite
Installation: Vehicle 3-point seat belt + ISOFIX (depending on stage)
Safety Standards: i-Size (UN R129/03)
Child Age Range: 15 months – 12 years
Child Height Range: 76 – 150 cm
Recline Positions: 5
Headrest Positions: 10
Fabric: 100% recycled material