--- product_id: 595868045 title: "Kea i-Size Backless Booster Child Car Seat 125-150cm 6-12 Years | Backless Booster Seat, Lightweight Portable Child Car Seat, ECE R129, Kids Car Seat 6-12 Years" brand: "cozy n safe" price: "€ 49.98" currency: EUR in_stock: true reviews_count: 8 category: "Cozy N Safe" url: https://www.desertcart.hr/products/595868045-kea-i-size-backless-booster-child-car-seat-125-150cm store_origin: HR region: Croatia --- # ECE R129 i-Size certified safety Machine washable covers 1 kg ultra-lightweight Kea i-Size Backless Booster Child Car Seat 125-150cm 6-12 Years | Backless Booster Seat, Lightweight Portable Child Car Seat, ECE R129, Kids Car Seat 6-12 Years **Brand:** cozy n safe **Price:** € 49.98 **Availability:** ✅ In Stock ## Summary > 🚗 Elevate every trip with safety, style, and supreme comfort! ## Quick Answers - **What is this?** Kea i-Size Backless Booster Child Car Seat 125-150cm 6-12 Years | Backless Booster Seat, Lightweight Portable Child Car Seat, ECE R129, Kids Car Seat 6-12 Years by cozy n safe - **How much does it cost?** € 49.98 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/595868045-kea-i-size-backless-booster-child-car-seat-125-150cm) ## 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 - • **Space-Savvy Design:** Backless and compact, it fits perfectly in any car without cramping your style or space. - • **Effortless Portability:** Weighing just 1 kg, this booster moves seamlessly between vehicles—never miss a ride! - • **Hassle-Free Maintenance:** Removable, machine washable covers mean spills and messes are no match for busy parents. - • **Comfort Meets Convenience:** Deep foam padding and armrests keep kids cozy on every journey, no matter the distance. - • **Certified Safety Assurance:** ECE R129 i-Size approval guarantees top-tier protection for your growing child (125-150cm). ## Overview The Cozy N Safe Kea i-Size Backless Booster is a lightweight (1 kg), compact child car seat designed for kids aged 6-12 years (125-150 cm). Certified to the rigorous ECE R129 i-Size safety standard, it offers secure 3-point seat belt installation, deep foam padding, and armrests for comfort. Its removable, machine washable covers simplify upkeep, making it the perfect blend of safety, convenience, and style for modern families on the go. ## Description Free delivery and returns on eligible orders. Buy Cozy N Safe Kea i-Size Backless Booster Child Car Seat 125-150cm 6-12 Years | Backless Booster Seat, Lightweight Portable Child Car Seat, ECE R129, Kids Car Seat 6-12 Years at desertcart UK. Review: Lightweight, Safe, and Super Convenient – Great Booster Seat - The Cozy N Safe Kea i-Size Booster Seat has been a fantastic addition to our car setup. It’s perfect for my 8-year-old, and I love how lightweight and compact it is—super easy to move between cars or take on trips. Despite being backless, it feels very secure and stable thanks to the solid design and i-Size ECE R129 safety certification, which gives real peace of mind. My child says it's comfortable to sit on even during longer journeys, and the sleek Onyx finish blends nicely with our car interior. It's also great that it’s designed for kids aged 6 to 12 (22–36kg), so it should last us a good few more years. Perfect for parents who need a safe, no-fuss booster seat that doesn’t take up much space. Great value and highly recommended! Review: Perfect - This seat is for my grandson who is six. He says it comfy to sit in and can see outside ok. What more could a grandparent want ## Features - Warning:To be used under the direct supervision of an adult - i-Size (R129) booster seat suitable from 125–150cm (approx. 6–12 years) - Lightweight and compact design ideal for easy transfer between vehicles - Quick installation using vehicle 3-point seat belt - Deep foam padding and armrests for enhanced comfort on long journeys - Removable, machine washable covers for easy maintenance ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQD786L9 | | Age Range Description | 6 to 12 years | | Best Sellers Rank | 2,111 in Baby Products ( See Top 100 in Baby Products ) 33 in Car Seats (Baby Products) | | Brand | COZY N SAFE | | Brand Name | COZY N SAFE | | Colour | Black | | Customer Reviews | 4.6 out of 5 stars 359 Reviews | | Forward Facing Car Seat Minimum Height | 125 Centimetres | | Forward Facing Maximum Weight | 36 Kilograms | | Forward Facing Minimum Weight | 22 Kilograms | | Harness Type | 3-Point | | Infant Toddler Car Seat Type | Booster Car Seat | | Installation Type | Seat Belt | | Installation type | Seat Belt | | Item Dimensions D x W x H | 40D x 46W x 22H centimetres | | Item Highlight | Backless Booster Seat, Lightweight Portable Child Car Seat, ECE R129, Kids Car Seat 6-12 Years | | Item Weight | 1 Kilograms | | Manufacturer | Cozy N Safe | | Manufacturer Part Number | EST321 | | Manufacturer Warranty Description | 12 months standard, Additional 12 months upon registration | | Material | Plastic, Polyester | | Material Type | Plastic, Polyester | | Maximum Height Recommendation | 150 Centimetres | | Maximum Weight Recommendation | 36 Kilograms | | Minimum Height Recommendation | 125 Centimeters | | Minimum Weight Recommendation | 22 Kilograms | | Model Number | EST321 | | Orientation | Forward Facing | | Product dimensions | 40D x 46W x 22H centimetres | | Unit Count | 1.0 Case | ## Product Details - **Brand:** COZY N SAFE - **Colour:** Black - **Harness type:** 3-Point - **Installation type:** Seat Belt - **Item weight:** 1 Kilograms - **Material:** Plastic, Polyester - **Maximum weight recommendation:** 36 Kilograms - **Minimum height recommendation:** 125 Centimeters - **Orientation:** Forward Facing - **Product dimensions:** 40D x 46W x 22H centimetres ## Images ![Kea i-Size Backless Booster Child Car Seat 125-150cm 6-12 Years | Backless Booster Seat, Lightweight Portable Child Car Seat, ECE R129, Kids Car Seat 6-12 Years - Image 1](https://m.media-amazon.com/images/I/71GCwfCRphL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Lightweight, Safe, and Super Convenient – Great Booster Seat *by J***E on 28 May 2025* The Cozy N Safe Kea i-Size Booster Seat has been a fantastic addition to our car setup. It’s perfect for my 8-year-old, and I love how lightweight and compact it is—super easy to move between cars or take on trips. Despite being backless, it feels very secure and stable thanks to the solid design and i-Size ECE R129 safety certification, which gives real peace of mind. My child says it's comfortable to sit on even during longer journeys, and the sleek Onyx finish blends nicely with our car interior. It's also great that it’s designed for kids aged 6 to 12 (22–36kg), so it should last us a good few more years. Perfect for parents who need a safe, no-fuss booster seat that doesn’t take up much space. Great value and highly recommended! ### ⭐⭐⭐⭐⭐ Perfect *by F***K on 16 May 2026* This seat is for my grandson who is six. He says it comfy to sit in and can see outside ok. What more could a grandparent want ### ⭐⭐⭐⭐ It works well *by R***D on 4 January 2026* It’s nice and light. ## Frequently Bought Together - Cozy N Safe Kea i-Size ECE R129 (22-36kg, 6-12 Years Old), Lightweight Compact, Backless Child Booster Car Seat 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 - Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 years), Midnight fashion --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/595868045-kea-i-size-backless-booster-child-car-seat-125-150cm](https://www.desertcart.hr/products/595868045-kea-i-size-backless-booster-child-car-seat-125-150cm) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-13*