
Petra All-in-One Convertible Car Seat - Sea Drift
In stock
- Not all children will comfortably fit in the seat for the full weight and height ranges listed.
- The Maxi-Cosi Petra All-in-One Convertible Car Seat is designed to be there for all of life’s adventures.
- Installation is fast and easy thanks to 1 click LATCH connectors, designed to help ensure a secure attachment with minimal effort.
Limited Time Deal Ends In
Product Details
As your child grows, features such as a 3 position adjustable base and a QuikFit one hand adjustable 8-position headrest and harness system make transitions simple and intuitive.
Not all children will comfortably fit in the seat for the full weight and height ranges listed.
Actual fit may vary.
The Maxi-Cosi Petra All-in-One Convertible Car Seat is designed to be there for all of life’s adventures.
Installation is fast and easy thanks to 1 click LATCH connectors, designed to help ensure a secure attachment with minimal effort.
Proudly made in Columbus, Indiana.
and 43.4”–52”).
The Petra All-in-One Car Seat for babies, toddlers, and big kids is designed to adapt through every stage from 5 to 100 lbs.
and 19”–40”), forward facing toddler car seat (30–65 lbs.
The Petra 3 in 1 car seat is crafted with PureCosi™ fabrics made without added fire retardant treatments, paired with EcoCare, our, 100% recycled fabric made from plastic bottles.
with 3 modes of use: rear facing infant car seat (5–40 lbs.
Created to grow with your child from their very first journey home through the elementary school years, Petra brings together long-lasting comfort, trusted safety and protection, and thoughtful design—so you can focus on the moments that matter most.
The result is soft, breathable, and beautifully refined.
Color: Sea Drift.
and 34.4”–49”), and belt positioning booster car seat for big kids (40–100 lbs.
and 19”–40”), forward facing toddler car seat (30–65.
- Color
- Sea Drift
Shipping and returns
Orders are usually prepared within 2–4 business days after confirmation. Weekends and public holidays are excluded; business hours are counted during normal operating days, not continuously. Estimated transit after dispatch is 5–8 business days. Preparation and transit are separate periods. Carrier delays, remote locations and exceptional conditions can extend estimates; delivery dates are not guaranteed.
Our voluntary return window is 45 calendar days after delivery for eligible unused items. Contact us before sending a return. Product-specific exclusions must be disclosed before purchase; mandatory consumer rights remain unaffected.



