---
product_id: 600532505
title: "Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers"
brand: "cozy n safe"
price: "¥20833"
currency: JPY
in_stock: true
reviews_count: 8
category: "Cozy N Safe"
url: https://www.desertcart.jp/products/600532505-cozy-n-safe-astra-i-size-135-150cm-child-booster
store_origin: JP
region: Japan
---

# ECE R129 Safety Certified Dual ISOFIX & 3-Point Belt Install Extra Deep Foam Padding Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers

**Brand:** cozy n safe
**Price:** ¥20833
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate Every Ride: Safety, Comfort & Convenience in One Booster!

## Quick Answers

- **What is this?** Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers by cozy n safe
- **How much does it cost?** ¥20833 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/600532505-cozy-n-safe-astra-i-size-135-150cm-child-booster)

## Best For

- cozy n safe enthusiasts

## Why This Product

- Trusted cozy n safe brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hygiene Made Simple:** Removable, machine-washable covers keep the seat fresh for everyday family life.
- • **Comfort Meets Longevity:** Extra deep foam padding and armrests keep your child cozy from 6 to 12 years old.
- • **Safety that Speaks Volumes:** Meets the latest ECE R129 standards for peace of mind on every journey.
- • **Perfect Fit for Growing Kids:** Designed for 135-150 cm tall children, ensuring optimal adult seatbelt positioning.
- • **Effortless Multi-Car Compatibility:** Quick ISOFIX or 3-point seatbelt installation—swap between vehicles in seconds.

## Overview

The Cozy N Safe Astra i-Size Child Booster is a forward-facing seat designed for kids aged 6-12 years (135-150 cm). Certified to the latest ECE R129 safety standards, it offers versatile installation via ISOFIX or 3-point seatbelt, ensuring secure fit across multiple vehicles. With extra deep foam padding and integrated armrests, it delivers superior comfort on long trips. Removable washable covers make maintenance effortless, making it the smart choice for busy families prioritizing safety and convenience.

## Description

Cozy N Safe have been manufacturing car seats since 2006. Our own manufacturing facility produces high quality car seats at affordable prices that will please even the harshest little critics. We have a wide range of child car seat available from multi combination, spin seats, booster seats, extended rear facing seats and more. Our car seats will keep your child both Cozy N Safe.

Review: Sensational seat - With a new car on the way, and an autistic 8 year old who doesn't quite reach the height requirement to go without, we ordered this booster seat. Honestly, the best decision. It is so simple to install, doesn't slide or lift when turning, keeps the child safe, is sturdy,and comfortable. One happy chappy! Stability: As above Ease of use: Fits easy
Review: Great booster seat - Well made and comfortable seat, well worth the price.

## Features

- Practical booster seat solution ideal for families with multiple cars as well as grandparents aunties and uncles
- Conforms to the latest ECE R129 safety regulation providing reassurance that your child meets current safety standards
- Versatile installation using either the vehicle three point seat belt or Iso Fix for a secure and flexible fit in different cars
- Installs in seconds making it easy to swap between vehicles for school runs family visits and shared childcare
- Integrated armrests offer added comfort and a more relaxed seating position for older children
- Extra deep foam padded seat helps keep children comfortable and supported especially on longer road trips
- Suitable for children from approximately six to twelve years and 135 to 150 centimetres tall raising them to the correct height for the adult seat belt
- Forward facing design gives older children a familiar comfortable travel position while still using a dedicated child seat
- Raises your child so the adult seat belt sits correctly across the shoulder and lap supporting safer belt positioning
- Removable covers that can be washed at thirty degrees help keep the booster seat fresh and ready for everyday family use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRHPCH1P |
| Age Range Description | Kid |
| Best Sellers Rank | 4,357 in Baby Products ( See Top 100 in Baby Products ) 67 in Car Seats (Baby Products) |
| Brand | COZY N SAFE |
| Brand Name | COZY N SAFE |
| Colour | Black/Grey |
| Country Of Origin | China |
| Customer Reviews | 4.7 out of 5 stars 204 Reviews |
| Forward Facing Car Seat Minimum Height | 135 Centimetres |
| Global Trade Identification Number | 05060127462711 |
| Harness Type | 3-Point |
| Installation Type | ISOFIX, Vehicle seat belt. |
| Installation type | ISOFIX, Vehicle seat belt. |
| Item Dimensions D x W x H | 40D x 41W x 20H centimetres |
| Item Weight | 2.8 Kilograms |
| Manufacturer | Cozy N Safe |
| Material | Plastic |
| Material Type | Plastic |
| Maximum Weight Recommendation | 36 Kilograms |
| Orientation | Forward Facing |
| Product dimensions | 40D x 41W x 20H centimetres |
| Unit Count | 1 Count |

## Product Details

- **Age range (description):** Kid
- **Brand:** COZY N SAFE
- **Colour:** Black/Grey
- **Harness type:** 3-Point
- **Installation type:** ISOFIX, Vehicle seat belt.
- **Item weight:** 2.8 Kilograms
- **Material:** Plastic
- **Maximum weight recommendation:** 36 Kilograms
- **Orientation:** Forward Facing
- **Product dimensions:** 40D x 41W x 20H centimetres

## Images

![Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers - Image 1](https://m.media-amazon.com/images/I/71Hnv42suIL.jpg)
![Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers - Image 2](https://m.media-amazon.com/images/I/71dmfZRyWsL.jpg)
![Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers - Image 3](https://m.media-amazon.com/images/I/71jsjT8jkcL.jpg)
![Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers - Image 4](https://m.media-amazon.com/images/I/71qo4Iv+EdL.jpg)
![Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers - Image 5](https://m.media-amazon.com/images/I/71z5o0HFLKL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sensational seat
*by S***2 on 27 June 2025*

With a new car on the way, and an autistic 8 year old who doesn't quite reach the height requirement to go without, we ordered this booster seat. Honestly, the best decision. It is so simple to install, doesn't slide or lift when turning, keeps the child safe, is sturdy,and comfortable. One happy chappy! Stability: As above Ease of use: Fits easy

### ⭐⭐⭐⭐⭐ Great booster seat
*by M***T on 23 September 2025*

Well made and comfortable seat, well worth the price.

### ⭐⭐⭐⭐ Quick and easy to remove
*by L***L on 20 August 2024*

Best seat ever for fitting and removing but downside is that the seat is quite wide making the seat belt quite difficult to put on.

## Frequently Bought Together

- Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers – Onyx
- URAQT Car Seat Belt Pads, 2 Pack Harness Pads, Pram Strap Covers, Backpack Shoulder Pad, Multifunctional Seat Belt Pad Cover for Kids and Adults
- Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Car Seats for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Black

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-03*