--- product_id: 701497115 title: "Zinus WonderBoxTM Smart Box Spring, King, Grey" brand: "zinus" price: "€ 1228.03" currency: EUR in_stock: true url: https://www.desertcart.be/products/701497115-zinus-wonderboxtm-smart-box-spring-king-grey store_origin: BE region: Belgium --- # Compact eco-friendly packaging Tool-free snap assembly Customizable height options Zinus WonderBoxTM Smart Box Spring, King, Grey **Brand:** zinus **Price:** € 1228.03 **Availability:** ✅ In Stock ## Summary > 🛏️ Elevate your sleep game with smart support and zero hassle! ## Quick Answers - **What is this?** Zinus WonderBoxTM Smart Box Spring, King, Grey by zinus - **How much does it cost?** € 1228.03 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/701497115-zinus-wonderboxtm-smart-box-spring-king-grey) ## Best For - zinus enthusiasts ## Why This Product - Trusted zinus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sleep Worry-Free:** Backed by a 5-year warranty, ensuring long-term peace of mind. - • **Eco-Smart Packaging:** WonderBox™ ships in a compact, earth-friendly box that fits through any doorway. - • **Built to Last with Steel:** Durable alloy steel frame supports up to 700 lbs for unmatched mattress stability. - • **Tailored Sleep Elevation:** Choose between 5” or 9” heights to craft your ideal sleep sanctuary. - • **Effortless Setup in Minutes:** Tool-free design snaps together quickly—no sweat, no tools needed. ## Overview The Zinus WonderBox™ Smart Box Spring King in Grey combines durable alloy steel construction with a tool-free, snap-together design for quick assembly. Delivered in eco-friendly compact packaging, it offers customizable height options (5” or 9”) to optimize mattress support and comfort. Supporting up to 700 lbs and backed by a 5-year warranty, it’s engineered for long-lasting stability and a cleaner planet. ## Description As the backbone for solid mattress support, a box spring that falls short can make or break your night’s sleep. We developed the Smart BoxSpring® with unbeatable durability and rock-solid stability to keep your mattress in shape for years to come. And our latest quick assembly version gives you total confidence when it comes to setup, requiring fewer bolts and ingeniously designed with easy to use, tool-free brackets. With our simple, step-by-step instructions on hand, you’ll have this foundation built and ready to use within minutes. Built with a strong and durable steel frame and a versatile poly jacquard cover that slips right on, the Smart BoxSpring® is the picture of dependability for any mattress. All packed in a compact shipping box with everything included, even our 5-year worry free warranty! Now that’s peace of mind you can sleep on. ## Features - EASY DELIVERY & A CLEANER PLANET – Delivered in our earth-friendly WonderBox that is surprisingly small and easy to maneuver through doorways and tight corners - EFFORTLESS ASSEMBLY: Tool-free design snaps together in minutes for a frustration-free setup - CUSTOMIZABLE COMFORT: Choose from two heights to create your perfect sleep oasis – 5 inches for a lower profile, or 9 inches for an extra boost - DURABLE STEEL CONSTRUCTION: Provides long-lasting support for your mattress, maximizing comfort and lifespan - WORRY-FREE WARRANTY – Sleep soundly with an included 5-year warranty. Box spring only, a bed frame or platform bed is required to support this foundation and is sold separately ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D2VNJHS7 | | Assembly Instructions Description | Included | | Brand Name | Zinus | | Color | Grey | | Compatible With Mattress Size | King | | Customer Reviews | 4.0 4.0 out of 5 stars (262) | | Finish Types | Unfinished | | Form Factor | Rectangular bed frame | | Furniture Finish | Gray | | Global Trade Identification Number | 00841550372724 | | Included Components | Box Spring, Instruction Sheet | | Item Dimensions | 199.9 x 191.8 x 22.9 centimeters | | Item Dimensions L x W x H | 199.9L x 191.8W x 22.9H centimeters | | Item Type Name | Box Spring | | Item Weight | 16.68 Kilograms | | Manufacturer | Zinus | | Manufacturer Part Number | ZU-FBSSG1OC-09K | | Material Type | Alloy Steel | | Maximum Weight Recommendation | 700 Pounds | | Model Number | ZU-FBSSG1OC-09K | | Other Special Features of the Product | Squeak Resistant | | Required Assembly | Yes | | Set Name | WonderBox(TM) | | Shape | Rectangular | | Size | King | | Style Name | 9 inch | | UPC | 841550372724 | | Unit Count | 1.0 Count | ## Product Details - **Material:** Alloy Steel - **Product dimensions:** 199.9L x 191.8W x 22.9H centimeters - **Size:** King - **Special features:** Squeak Resistant - **Style:** 9 inch ## Images ![Zinus WonderBoxTM Smart Box Spring, King, Grey - Image 1](https://m.media-amazon.com/images/I/71r54UF-PIL.jpg) ![Zinus WonderBoxTM Smart Box Spring, King, Grey - Image 2](https://m.media-amazon.com/images/I/81Z-MQMxSEL.jpg) ![Zinus WonderBoxTM Smart Box Spring, King, Grey - Image 3](https://m.media-amazon.com/images/I/61AZzbktwlL.jpg) ![Zinus WonderBoxTM Smart Box Spring, King, Grey - Image 4](https://m.media-amazon.com/images/I/81AkJXzJFwL.jpg) ![Zinus WonderBoxTM Smart Box Spring, King, Grey - Image 5](https://m.media-amazon.com/images/I/71XuNbZgaBL.jpg) ## Available Options This product comes in different **Color, Size** options. --- ## 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.be/products/701497115-zinus-wonderboxtm-smart-box-spring-king-grey](https://www.desertcart.be/products/701497115-zinus-wonderboxtm-smart-box-spring-king-grey) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-11*