---
product_id: 712085348
title: "One4Life Slim All-in-One Car Seat, 10 Years of Use, 17.5” SpaceSaver Design, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, ClickTight Installation, Mineral Gray"
brand: "britax"
price: "€ 1544.44"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/712085348-one4life-slim-all-in-one-car-seat-10-years-use
store_origin: CY
region: Cyprus
---

# 17.5” slim SpaceSaver design 10 years convertible use ClickTight 3-step secure install One4Life Slim All-in-One Car Seat, 10 Years of Use, 17.5” SpaceSaver Design, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, ClickTight Installation, Mineral Gray

**Brand:** britax
**Price:** € 1544.44
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate every ride with 10 years of sleek, safe, and smart car seat innovation!

## Quick Answers

- **What is this?** One4Life Slim All-in-One Car Seat, 10 Years of Use, 17.5” SpaceSaver Design, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, ClickTight Installation, Mineral Gray by britax
- **How much does it cost?** € 1544.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/712085348-one4life-slim-all-in-one-car-seat-10-years-use)

## Best For

- britax enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Chic & Easy Care:** Machine-washable recycled polyester cover with natural flame resistance keeps your car fresh and stylish.
- • **Slim Fit, Big Comfort:** 17.5” SpaceSaver design fits 3 across in most vehicles without sacrificing premium comfort or safety.
- • **Effortless Installation:** ClickTight system guarantees a secure, hassle-free install in just 3 simple steps—no guesswork needed.
- • **Smart Comfort & Convenience:** Adjustable 15-position harness and 9-position recline with cooling mesh and slide-out dishwasher-safe cup holders.
- • **One Seat, 10 Years of Safety:** Seamlessly converts from rear-facing infant to forward-facing booster for a decade of trusted protection.

## Overview

The One4Life Slim All-in-One Car Seat offers a decade of versatile use, converting effortlessly from rear-facing infant to forward-facing booster. Its 17.5” SpaceSaver design fits three across most vehicles, combining premium comfort with Britax’s patented safety features like SafeCell technology and a high-strength steel frame. Installation is a breeze with the ClickTight system, while eco-friendly, machine-washable covers and adjustable comfort settings ensure a stylish, hassle-free experience for modern families.

## Description

One4Life Slim All-in-One Car Seat, 10 Years of Use, 17.5” SpaceSaver Design, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, ClickTight Installation, Mineral Gray

## Features

- All-in-One Car Seat: One4Life(R) Slim is a convertible and harness-2-booster seat in one! It easily converts from a rear-facing infant and toddler seat (5-50 lbs.) to a forward-facing seat (30-65 lbs.) to a high-back booster seat (40-120 lbs.)
- ClickTight(R) Installation: Install with confidence in 3 easy steps: pinch to open, thread and buckle, click it closed!
- SpaceSaver(TM) Design: Slim outside, spacious inside! The 17.5” seat is designed to fit 3 across without compromising on trusted Britax safety and premium comfort *Britax cannot guarantee 3-across installation fitment in all vehicles
- Premium Car Seat Cover: Features a soft knit fabric with woven mélange accents that are made from recycled polyester; the cover is safe to machine-wash and dry and naturally flame retardant with no added FR chemicals
- Trusted Britax Safety: Features a patented V-shaped tether, SafeCell(R) technology, a high-strength steel frame, and two layers of energy management
- Comfortable Rides: This slim car seat includes soft comfort pads, built-in mesh cooling channels, three infant inserts, plush padding, and a tag-free headrest
- Easy to Adjust: The 15-position no-rethread harness and headrest adjust together easily with one hand, and the 9-position recline has an easy-read indicator to help you find the correct angle for your vehicle
- Slide-Out Cup Holders: The dishwasher-safe cup holders slide out with ease for convenient cleaning and click back into place for a secure attachment during rides
- Accessible Color-Coded Belt Paths: Make it easy to route the seat belt through the correct path for each car seat mode
- Hassle-Free Cleanup: Extra space between the shell and base means you can clean under the seat with ease – and with minimal grooves in the seating area and base, you can wipe it down with no fuss

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Model number | E1D437B |
| Product Dimensions | 46.99 x 44.45 x 62.23 cm; 12.7 kg |
| Item model number | E1D437B |
| Minimum weight recommendation | 5 Pounds |
| Maximum weight recommendation | 120 Pounds |
| Minimum height recommendation | 18 Inches |
| Maximum height recommendation | 49 Inches |
| Material Type | Alloy Steel Plastic |
| Material Composition | Plastic and Steel |
| Care instructions | Machine wash and dry cover |
| Number of reclining positions | 15 |
| Batteries required | No |
| Orientation | Rear and Forward Facing |
| Rear-facing maximum child weight | 50 Pounds |
| Forward-facing minimum child weight | 30 Pounds |
| Forward-facing maximum child weight | 120 Pounds |
| Harness type | 5-Point |
| Item Weight | 12.7 Kilograms |

## Product Details

- **Brand:** Britax
- **Installation type:** Seat Belt
- **Material:** Alloy Steel Plastic
- **Colour:** Mineral Gray
- **Orientation:** Rear and Forward Facing

## Images

![One4Life Slim All-in-One Car Seat, 10 Years of Use, 17.5” SpaceSaver Design, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, ClickTight Installation, Mineral Gray - Image 1](https://m.media-amazon.com/images/I/81BaqeJpe6L.jpg)

## Available Options

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

## Frequently Bought Together

- Britax One4Life Slim All-in-One Car Seat, 10 Years of Use, 17.5” SpaceSaver Design, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, ClickTight Installation, Mineral Gray
- Britax Anti-Rebound Bar Accessory - Compatible with Britax One4Life Car Seats , Black
- Britax Car Seat Waterproof Liner - Moisture Wicking Fabric + No Slip Grip + Machine Washable + Crash Tested

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**Shop now:** [https://www.desertcart.com.cy/products/712085348-one4life-slim-all-in-one-car-seat-10-years-use](https://www.desertcart.com.cy/products/712085348-one4life-slim-all-in-one-car-seat-10-years-use)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-16*