Graco Flexi Grow ONYX Graco

Graco Flexi Grow ONYX

FlexiGrow R129 – 2-in-1 Booster Seat

From 15 months up to ~12 years (76–145 cm)

Ultimate Comfort & Safety

FlexiGrow R129 is a 2-in-1 booster seat that grows with your child. Certified to EU R129 standards, it features reinforced steel construction and enhanced side-impact protection.

Booster with integrated harness: 76–105 cm (~15 months – 4 years)

High-back booster with vehicle seatbelt: 100–145 cm (~3.5 – 12 years)

Smart & Adaptable

9-position adjustable headrest

Expanding side panels for perfect fit

Integrated seatbelt storage

4 reclining positions for comfort

Side mesh pockets for snacks and essentials

Safety Features

R129 certified

Safety Surround™ side-impact protection

Integrated seatbelt lock for easy installation

Open-ring belt guides for correct positioning

5-point harness adjustable with one hand

Convenience & Comfort

Built-in cup holder

Padded armrests

Soft, machine-washable fabrics

Dimensions: 54 × 46 × 60 cm
Weight: 8.4 kg