---
product_id: 510450185
title: "Safety 1st Grand 2‑in‑1 Booster Car Seat, Converts from High Back to Belt‑Positioning Booster, Seat for Kids 30–65 Pounds and Belt‑Positioning 40–100 Pounds, High Street"
brand: "safety 1st"
price: "€ 1011.80"
currency: EUR
in_stock: true
reviews_count: 9
url: https://www.desertcart.hr/products/510450185-safety-1st-grand-2-in-1-booster-car-seat-converts
store_origin: HR
region: Croatia
---

# 2-in-1 adaptable design Lightweight 11.35 lbs portability Fits 3 across in most cars Safety 1st Grand 2‑in‑1 Booster Car Seat, Converts from High Back to Belt‑Positioning Booster, Seat for Kids 30–65 Pounds and Belt‑Positioning 40–100 Pounds, High Street

**Brand:** safety 1st
**Price:** € 1011.80
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate every ride with the booster that grows as fast as your family!

## Quick Answers

- **What is this?** Safety 1st Grand 2‑in‑1 Booster Car Seat, Converts from High Back to Belt‑Positioning Booster, Seat for Kids 30–65 Pounds and Belt‑Positioning 40–100 Pounds, High Street by safety 1st
- **How much does it cost?** € 1011.80 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/510450185-safety-1st-grand-2-in-1-booster-car-seat-converts)

## 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

- • **Effortless Mobility:** Lightweight design lets you switch cars in seconds—ideal for on-the-go parents.
- • **Hassle-Free Clean-Up:** Machine washable seat pad and dishwasher-safe cup holders keep your car fresh and tidy.
- • **Maximize Family Rides:** Fits three booster seats side-by-side, perfect for carpools and busy family life.
- • **Grow-With-You Versatility:** Seamlessly transitions from 30-65 lbs harness to 40-100 lbs belt booster—one seat, multiple stages.
- • **Tailored Comfort & Safety:** Adjustable headrest and 5-point harness ensure a perfect fit and secure ride every time.

## Overview

The Safety 1st Grand 2-in-1 Booster Car Seat offers a forward-facing harness for children 30-65 pounds and converts to a belt-positioning booster for kids 40-100 pounds. Designed to fit three across in most vehicles, it’s lightweight for easy portability and features an adjustable headrest for customized support. Its machine washable seat pad and dishwasher-safe cup holders make maintenance simple, making it the perfect versatile car seat solution for growing families.

## Description

The Safety 1st Grand 2-in-1 Booster Car Seat is designed with versatility in mind. This high back booster car seat is made for families with growing children. This 2 in 1 booster seat has two modes of use. As a highback booster seat, it features a 5-point harness booster seat, accommodating children in a forward-facing car seat position from 40–65 lbs., As your child grows, it transitions into a belt-positioning car booster seat for weights ranging from 40–100 lbs. The Grand 2-in-1 Booster Car Seat meets or exceeds Federal safety standards. The lightweight booster car seat design makes it easy to transfer between vehicles. This booster seat has soft fabric for a plush, comfy ride. The adjustable headrest offers customizable support for your child as they grow. Clean-up is a breeze with the removable pad of this child booster seat for car, which is machine washable and dryer safe. Two removable, dishwasher-safe cup holders offer convenient storage for drinks or small toys.

Review: Very easy and not bulky - I love this car seat 1: has the harness seat belt for safety 2: not bulky at all. I drive a Hyundai Accent it’s a very small car and with this seat it gives my passenger so much space to lean back. 3: it’s super light and the quality is excellent 4: easy to install 5: it grows with your child so when they’re ready for a booster seat the whole top back comes off 6: it’s really comfortable for my child and they have cup holders on both sides! 7: easy to clean the whole cover comes off with a breeze! 8: cheap and affordable!!!
Review: Great value - I needed a seat in my car for grands so we could stop the sear swapping. I found this one to be interesting because it transitions to a booster seat as they grow. It's high quality plastic but not crazy heavy. It has three anchor points to the vehicle making it very sturdy. When hooked up properly there is zero wiggle making it super safe. The seat is part of the car. It has two cup holders that can accommodate those larger sippy cups and water bottles. The belt system adjusts easily to secure while riding and taking the child out. I liked that there was no "age range" for this seat. It's based on the children's size and weight as it should be. The kiddos seem to like it, but I think it would be more comfortable with some kind of padding on the belt system by their neck. Going to have to get something for that.

## Features

- 2 IN 1 BOOSTER FUNCTIONALITY: Safety 1st Grand 2-in-1 Booster Car Seat adapts as your child grows, from a forward-facing harness booster car seat (40–65 lbs., 43.4"–49") to a belt-positioning booster car seat with back for (40–100 lbs., 43.4"–52").
- SLIM CAR SEAT DESIGN FITS 3 ACROSS: Great for large families or carpools, this 2-in-1 booster seat for forward-facing with harness and belt-positioning booster with high back is designed to fit three across in the back seat of most vehicles.
- LIGHTWEIGHT & PORTABLE BOOSTER: Easily move this booster car seat from car to car, thanks to its lightweight design, making it ideal for busy, on-the-go families needing versatile booster seats for children 40–100 lbs.
- CUSTOMIZABLE SUPPORT: The adjustable headrest allows for tailored support as your child grows, providing comfort during every ride in this 2-in-1 booster car seat with a 5-point harness that converts to a belt-positioning high back booster seat.
- EASY TO CLEAN: 2-in-1 booster car seat for forward-facing with harness and belt-positioning highback booster has a seat pad that is machine-washable and dryer-safe. The two removable cup holders are dishwasher-safe.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BRT758NN |
| Age Range Description | Kid |
| Best Sellers Rank | #9,361 in Baby ( See Top 100 in Baby ) #42 in Child Safety Booster Car Seats |
| Brand | Safety 1st |
| Color | High Street |
| Customer Reviews | 4.7 out of 5 stars 9,267 Reviews |
| Forward Facing Car Seat Minimum Height | 30.19 Inches |
| Forward Facing Maximum Weight | 65 Pounds |
| Forward Facing Minimum Weight | 40 Pounds |
| Harness Type | 5-Point |
| Infant Toddler Car Seat Type | Booster Car Seat |
| Installation Type | Latch |
| Item Dimensions D x W x H | 30.19"D x 18.25"W x 19.63"H |
| Item Type Name | Booster Car Seats |
| Item Weight | 11.3 Pounds |
| Manufacturer | Dorel Juvenile Group |
| Material | Polyester |
| Material Type | Polyester |
| Maximum Height Recommended | 30.19 Inches |
| Maximum Weight Recommendation | 100 Pounds |
| Minimum Height Recommendation | 43.4 Inches |
| Minimum Weight Recommendation | 30 Pounds |
| Model Number | BC149HAY |
| Number of Height Positions | 3 |
| Orientation | Forward Facing |
| Part Number | BC149HAY |
| Product Dimensions | 30.19"D x 18.25"W x 19.63"H |
| UPC | 884392952327 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Safety 1st
- **Installation Type:** Latch
- **Material:** Polyester
- **Color:** High Street
- **Orientation:** Forward Facing

## Images

![Safety 1st Grand 2‑in‑1 Booster Car Seat, Converts from High Back to Belt‑Positioning Booster, Seat for Kids 30–65 Pounds and Belt‑Positioning 40–100 Pounds, High Street - Image 1](https://m.media-amazon.com/images/I/81OC52HJMwL.jpg)
![Safety 1st Grand 2‑in‑1 Booster Car Seat, Converts from High Back to Belt‑Positioning Booster, Seat for Kids 30–65 Pounds and Belt‑Positioning 40–100 Pounds, High Street - Image 2](https://m.media-amazon.com/images/I/818rLHw7I7L.jpg)
![Safety 1st Grand 2‑in‑1 Booster Car Seat, Converts from High Back to Belt‑Positioning Booster, Seat for Kids 30–65 Pounds and Belt‑Positioning 40–100 Pounds, High Street - Image 3](https://m.media-amazon.com/images/I/813rqzBlvoL.jpg)
![Safety 1st Grand 2‑in‑1 Booster Car Seat, Converts from High Back to Belt‑Positioning Booster, Seat for Kids 30–65 Pounds and Belt‑Positioning 40–100 Pounds, High Street - Image 4](https://m.media-amazon.com/images/I/81C6-nxM1uL.jpg)
![Safety 1st Grand 2‑in‑1 Booster Car Seat, Converts from High Back to Belt‑Positioning Booster, Seat for Kids 30–65 Pounds and Belt‑Positioning 40–100 Pounds, High Street - Image 5](https://m.media-amazon.com/images/I/71ToaAqpS0L.jpg)

## Questions & Answers

**Q: Dose this fit 3 across with an infant car seat ?**
A: Hello, thank you for your question. The assembled dimensions are 18.5" W (cup holder to cup holder) x 23.5" D x 28.5" H

**Q: Cual es el peso del producto?**
A: Hola, gracias por tu pregunta. El Grand Booster pesa 11.58 libras

**Q: I have a small coupe is the carseat tall ?**
A: Hello. We do not test for or guarantee fit in any specific vehicle year/make/model at this time, but I can provide you with the dimensions of the car seat so that you can take a look in your vehicle and determine whether this might be a good fit for your vehicle. The assembled dimensions are 18.5" W (cup holder to cup holder) x 23.5" D x 28.5" H .

**Q: Can you fit 3 across in mini van?**
A: Absolutely. I have a GMC Terrain and I had two adults in the back seat along with my grandchild in her car seat

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very easy and not bulky
*by E***Y on November 11, 2024*

I love this car seat 1: has the harness seat belt for safety 2: not bulky at all. I drive a Hyundai Accent it’s a very small car and with this seat it gives my passenger so much space to lean back. 3: it’s super light and the quality is excellent 4: easy to install 5: it grows with your child so when they’re ready for a booster seat the whole top back comes off 6: it’s really comfortable for my child and they have cup holders on both sides! 7: easy to clean the whole cover comes off with a breeze! 8: cheap and affordable!!!

### ⭐⭐⭐⭐⭐ Great value
*by A***! on April 29, 2024*

I needed a seat in my car for grands so we could stop the sear swapping. I found this one to be interesting because it transitions to a booster seat as they grow. It's high quality plastic but not crazy heavy. It has three anchor points to the vehicle making it very sturdy. When hooked up properly there is zero wiggle making it super safe. The seat is part of the car. It has two cup holders that can accommodate those larger sippy cups and water bottles. The belt system adjusts easily to secure while riding and taking the child out. I liked that there was no "age range" for this seat. It's based on the children's size and weight as it should be. The kiddos seem to like it, but I think it would be more comfortable with some kind of padding on the belt system by their neck. Going to have to get something for that.

### ⭐⭐⭐⭐⭐ Booster car seat
*by L***E on July 8, 2025*

I absolutely love the Safety 1st Grand 2-in-1 Booster Car Seat! It’s very easy to install, and the seat feels sturdy and secure. The padding is soft and provides great comfort for long car rides. My child loves the bold, stylish color and sits comfortably without any complaints. The transition from harness mode to booster mode is smooth, and I appreciate how lightweight it is—easy to move between vehicles if needed. It also fits well in smaller cars, which is a huge plus. Highly recommend it to any parent looking for a safe, reliable, and affordable car seat that grows with your child!

## Frequently Bought Together

- 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, High Street
- lebogner Back Seat Cover For Kids + 3 Pocket Storage Organizer, 2 Pack X-Large Waterproof Kick Mats Backseat Protector, Car Seat Back Protectors For Vehicles To Protect From Dirt, Mud & Scratches

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-04*