---
product_id: 339144938
title: "Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black"
brand: "britax römer"
price: "35574625₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/339144938-britax-romer-advansafix-m-i-size-br-car-seat-cosmos
store_origin: VN
region: Vietnam
---

# Harness up to 21 kg FLIP & GROW system EasyRecline comfort Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black

**Brand:** britax römer
**Price:** 35574625₫
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate every journey with safety and style — because your little one deserves the best!

## Quick Answers

- **What is this?** Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black by britax römer
- **How much does it cost?** 35574625₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/339144938-britax-romer-advansafix-m-i-size-br-car-seat-cosmos)

## Best For

- britax römer enthusiasts

## Why This Product

- Trusted britax römer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Comfort on the Go:** EasyRecline offers multiple recline positions without reinstalling, so your child rides relaxed every trip.
- • **Seamless Transition:** FLIP & GROW technology effortlessly switches from 5-point harness to 3-point seat belt for ultimate convenience.
- • **Extended Safety Coverage:** Harness your child safely up to 21 kg, ensuring prolonged protection as they grow.
- • **Optimal Belt Positioning:** SecureGuard keeps the lap belt perfectly aligned, maximizing safety and comfort.
- • **Trusted German Engineering:** Crafted in Germany with a 2-year warranty, combining durability with peace of mind.

## Overview

The Britax Römer ADVANSAFIX M i-SIZE is a forward-facing child car seat designed for kids 76-150 cm tall and weighing up to 36 kg. Featuring a harness system up to 21 kg, SecureGuard lap belt positioning, and the innovative FLIP & GROW system for easy adjustment from harness to seat belt, it ensures extended safety and comfort. With EasyRecline for multiple recline positions and German engineering backed by a 2-year warranty, this seat combines advanced safety with user-friendly design.

## Description

Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black

## Features

- Made in Germany
- Harness up to 21 kg offers extended usage for growing toddlers
- SecureGuard helps to keep the lap belt in an optimal position
- FLIP and GROW for easy change between the integrated 5-point harness and the car‘s 3-point seat belt
- EasyRecline offers comfortable recline positions without readjusting the installation
- 2 year warranty on manufacturing or material defects

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Model number | 2000034305 |
| Product Dimensions | 47 x 44 x 60 cm; 11 kg |
| Item model number | 2000034305 |
| Target gender | Unisex |
| Minimum weight recommendation | 9 Kilograms |
| Maximum weight recommendation | 36 Kilograms |
| Maximum height recommendation | 150 Centimeters |
| Material Type | Polyester |
| Material Composition | 100% Polyester |
| Additional product features | EasyRecline, SecureGuard, Harness up to 21 kg, FLIP&GROW |
| Number of items | 1 |
| Style | i-SIZE |
| Batteries required | No |
| Orientation | Forward Facing |
| Rear-facing maximum child weight | 21 Kilograms |
| Harness type | 3-Point |
| Item Weight | 11 Kilograms |

## Product Details

- **Brand:** Britax Römer
- **Installation type:** Latch
- **Material:** Polyester
- **Colour:** Cosmos Black
- **Orientation:** Forward Facing

## Images

![Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black - Image 1](https://m.media-amazon.com/images/I/81nV1LHDYQL.jpg)
![Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black - Image 2](https://m.media-amazon.com/images/I/71zsSQgsSuL.jpg)
![Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black - Image 3](https://m.media-amazon.com/images/I/61d3unV+N-L.jpg)
![Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black - Image 4](https://m.media-amazon.com/images/I/61isp1apGXL.jpg)
![Britax - Romer Advansafix M I-Size Br Car Seat - Cosmos Black - Image 5](https://m.media-amazon.com/images/I/61bkKDYhb3L.jpg)

## Available Options

This product comes in different **Colour Name, Style Name** options.

## Frequently Bought Together

- BRITAX RÖMER ADVANSAFIX M i-Size, Extendable headrest with ISOFIX Car Seat, Child from 76 to 150 cm (Group 1/2/3) from 15 Months to 12 Years, Cosmos Black
- BRITAX RÖMER car seat KIDFIX 2 Z LINE, from 4 to 12 Years Old Children, ISOFIX Car Seat, Child from 15 to 36kg (Group 2/3), Space Black
- BRITAX RÖMER car seat Adventure Plus 2, for Children from 100-150 cm (i-Size), 3.5-12 Years, Midnight Grey

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**Shop now:** [https://www.desertcart.vn/products/339144938-britax-romer-advansafix-m-i-size-br-car-seat-cosmos](https://www.desertcart.vn/products/339144938-britax-romer-advansafix-m-i-size-br-car-seat-cosmos)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-19*