---
product_id: 519065898
title: "Safety 1st Convertible Car Seat, Convert from Rear to Forward Facing and Belt-Positioning Booster, Dunes Edge, From Birth to Age 10, TriMate"
brand: "safety 1st"
price: "฿19078"
currency: THB
in_stock: true
reviews_count: 11
category: "Safety 1st"
url: https://www.desertcart.co.th/products/519065898-safety-1st-convertible-car-seat-convert-from-rear-to-forward
store_origin: TH
region: Thailand
---

# Ultra-slim 17" width fits 3 across 3-in-1 convertible modes 9-position headrest, 1-hand adjust Safety 1st Convertible Car Seat, Convert from Rear to Forward Facing and Belt-Positioning Booster, Dunes Edge, From Birth to Age 10, TriMate

**Brand:** safety 1st
**Price:** ฿19078
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate every ride with the all-in-one car seat that grows as fast as your little one!

## Quick Answers

- **What is this?** Safety 1st Convertible Car Seat, Convert from Rear to Forward Facing and Belt-Positioning Booster, Dunes Edge, From Birth to Age 10, TriMate by safety 1st
- **How much does it cost?** ฿19078 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/519065898-safety-1st-convertible-car-seat-convert-from-rear-to-forward)

## Best For

- safety 1st enthusiasts

## Why This Product

- Trusted safety 1st brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Comfort Meets Safety:** Memory-foam infant insert and 5-point harness keep your little one cozy and secure on every ride.
- • **Mess-Free Maintenance:** Removable, machine-washable seat pad and dishwasher-safe cup holders for easy cleanup after busy days.
- • **Space-Savvy Slim Design:** Ultra-slim 17-inch width lets you fit three car seats across most back seats without compromise.
- • **Grow-With-You Versatility:** Seamlessly transitions from rear-facing infant to forward-facing toddler to booster for kids up to 100 lbs.
- • **Effortless One-Hand Adjustments:** 9-position headrest and hassle-free harness system make resizing quick and stress-free.

## Overview

The Safety 1st TriMate Convertible Car Seat is a versatile 3-in-1 solution designed for children from birth to age 10. Featuring rear-facing, forward-facing, and booster modes, it supports weights from 5 to 100 lbs. Its ultra-slim 17-inch width fits three seats across most vehicles, while a 9-position headrest and no-rethread harness system ensure easy adjustments. Comfort is prioritized with a memory-foam infant insert and washable components, all meeting or exceeding federal safety standards.

## Description

The Safety 1st TriMate All-in-One Convertible Car Seat is built for growing with your child while keeping them secure and comfortable on the journey. This versatile 3 in 1 car seat is designed to accommodate children from birth to age 10: rear facing car seat for newborn to toddlers (5–40 lbs. and 19""–40""), forward-facing carseat for toddlers (30–65 lbs. and 34.4""–49""), and a belt-positioning booster seat for children 40 lbs and up (40–100 lbs and 43.4""–52""). Ideal for families with multiple children, the ultra-slim design fits three car seats across the back seat of most vehicles, making it a convenient infant to toddler car seat and big kid booster car seat. Beyond its easy installation, the TriMate features a 9-position headrest that adjusts with one hand and has a hassle-free harness system without complicated re-threading. This convertible carseat is equipped with visible belt paths for easy setup, making conversion between modes a breeze. Smallest passengers stay cozy with the soft, memory foam infant insert, while older kids will love the comfortable ride in this booster car seat. This car seat meets or exceeds Federal standards.

Review: Easy to install and versatile - Very nice seat. It will adjust to follow the growth of your child from infant to toddler boaster. So glad I bought it. Defiantly recommend!
Review: It a good buy - Very good quality

## Features

- 3 MODES TRANSITION FROM BABY TO BIG KID: Three modes of use: rear facing baby car seat (5–40 lbs. and 19"–40"), forward facing toddler car seat (30–65 lbs. and 34.4"–49"), and belt positioning car seat booster (40–100 lbs. and 43.4"–52").
- FITS 3 ACROSS THE BACK SEAT: The travel car seat’s ultra-slim design— just 17" across without the cup holders— allows parents to fit three carseats across the back seat of most vehicles without sacrificing comfort.
- CLEAR, SIMPLE INSTALLATION AND ADJUSTMENT: TriMate All-in-One carseat features a 9-position headrest that adjusts with just one hand, a hassle-free harness system that adjusts without re-threading, and visible belt paths for easy installation.
- KEEPS LITTLE ONES COZY: The car seats come with a soft, memory-foam infant insert that keeps small babies comfortable and secure.
- EASY CLEAN-UP The convertible carseat includes two removable, dishwasher-safe cup holders and a removable seat pad (machine-washable and dryer-safe) for convenient cleanup after messy rides.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BV4RGBGX |
| Age Range Description | Infant |
| Best Sellers Rank | #14,463 in Baby ( See Top 100 in Baby ) #37 in Convertible Child Safety Car Seats |
| Brand | Safety 1st |
| Color | Dunes Edge |
| Customer Reviews | 4.3 4.3 out of 5 stars (314) |
| Forward Facing Maximum Weight | 65 Pounds |
| Harness Type | 5 Point Harness |
| Installation Type | Latch |
| Item Dimensions D x W x H | 24.39"D x 23.19"W x 17.42"H |
| Item Type Name | Convertible Car Seats |
| Item Weight | 7.39 Kilograms |
| Manufacturer | Dorel Juvenile Group |
| Material Type | Polyester |
| Maximum Weight Recommendation | 100 Pounds |
| Number of Height Positions | 3 |
| Orientation | Rear Facing |
| Rear Facing Minimum Weight | 5 Pounds |
| UPC | 884392952686 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Safety 1st
- **Color:** Dunes Edge
- **Installation Type:** Latch
- **Material:** Polyester
- **Orientation:** Rear Facing

## Images

![Safety 1st Convertible Car Seat, Convert from Rear to Forward Facing and Belt-Positioning Booster, Dunes Edge, From Birth to Age 10, TriMate - Image 1](https://m.media-amazon.com/images/I/71NiFk4gsvL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to install and versatile
*by K***E on February 4, 2026*

Very nice seat. It will adjust to follow the growth of your child from infant to toddler boaster. So glad I bought it. Defiantly recommend!

### ⭐⭐⭐⭐⭐ It a good buy
*by C***E on February 19, 2026*

Very good quality

### ⭐⭐⭐⭐⭐ If your considering, get it
*by B***E on November 21, 2025*

Pleasantly surprised, it’s bigger than expected my little loves it and thinks it’s super comfy. There’s a lot of padding it’s really good quality. The installation was a little tricky but worth it.

## Frequently Bought Together

- Safety 1st Convertible Car Seat, Convert from Rear to Forward Facing and Belt-Positioning Booster, Dunes Edge, From Birth to Age 10, TriMate
- Safety 1st Grand 2-in-1 Booster Car Seat, Forward Facing Car Seat with Harness, High Back Booster Seat for Car, 30-65 Pounds and Belt-Positioning Booster, Car Seats, 40-100 Pounds, Dunes Edge
- Safety 1st Everslim DLX Slim Convertible Car Seat– A 4-in-1 Convertible Child Safety Car Seats; Baby Car Seats for 5-100 lbs, Dunes Edge

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**Shop now:** [https://www.desertcart.co.th/products/519065898-safety-1st-convertible-car-seat-convert-from-rear-to-forward](https://www.desertcart.co.th/products/519065898-safety-1st-convertible-car-seat-convert-from-rear-to-forward)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-26*