--- product_id: 653793408 title: "Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, King" brand: "zinus" price: "₨230544" currency: LKR in_stock: true category: "Zinus" url: https://www.desertcart.lk/products/653793408-zinus-9-inch-wonderbox-tm-smart-box-spring-grey-king store_origin: LK region: Sri Lanka --- # Tool-free snap assembly 9-inch customizable height 5-year worry-free warranty Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, King **Brand:** zinus **Price:** ₨230544 **Availability:** ✅ In Stock ## Summary > 🛏️ Elevate your sleep game with effortless style and rock-solid support! ## Quick Answers - **What is this?** Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, King by zinus - **How much does it cost?** ₨230544 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/653793408-zinus-9-inch-wonderbox-tm-smart-box-spring-grey-king) ## 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 - • **Built to Last:** Durable steel frame supports up to 2200 lbs for unmatched mattress stability. - • **Sleep with Confidence:** Backed by a 5-year warranty for peace of mind every night. - • **Tailored Comfort Boost:** Choose between 5 or 9 inches to elevate your sleep sanctuary. - • **Effortless Setup in Minutes:** Tool-free design snaps together quickly—no tools, no hassle. - • **Eco-Friendly Compact Delivery:** WonderBox packaging is easy to maneuver and planet-friendly. ## Overview The Zinus 9 Inch WonderBox™ Smart Box Spring in King size offers a durable steel frame foundation with a sleek grey poly jacquard cover. Designed for quick, tool-free assembly, it provides customizable height options (5 or 9 inches) to optimize mattress support and comfort. Delivered in eco-conscious compact packaging, it supports up to 2200 pounds and includes a 5-year warranty, making it a reliable and sustainable choice for enhancing your sleep experience. ## 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 | | Best Sellers Rank | #32,488 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #21 in Box Springs | | Brand Name | Zinus | | Color | Grey | | Compatible With Mattress Size | King | | Customer Reviews | 4.0 4.0 out of 5 stars (1,584) | | Finish Types | Unfinished | | Form Factor | Rectangular bed frame | | Furniture Finish | Gray | | Global Trade Identification Number | 00841550372724 | | Included Components | Box Spring, Installation Manual | | Item Depth | 14 inches | | Item Dimensions | 78.7 x 75.5 x 9 inches | | Item Dimensions L x W x H | 78.7"L x 75.5"W x 9"H | | Item Highlight | Quick Assembly Mattress Foundation, Durable Metal Frame, Slip-On Cover | | Item Type Name | Quick Assembly Mattress Foundation, Durable Metal Frame | | Item Weight | 16.68 kg | | Manufacturer | Zinus | | Manufacturer Part Number | ZU-FBSSG1OC-09K | | Material Type | Steel | | Maximum Weight Recommendation | 2200 pounds | | Model Number | ZU-FBSSG1OC-09K | | Number of Items | 1 | | Number of Packs | 1 | | Other Special Features of the Product | Easy assembly, Squeak Resistant | | Set Name | WonderBox(TM) | | Shape | Rectangular | | Size | King | | Style Name | 9 inch | | UPC | 841550372724 | | Unit Count | 1 Count | ## Product Details - **Material:** Steel - **Product Dimensions:** 78.7"L x 75.5"W x 9"H - **Size:** King - **Special Feature:** Easy assembly, Squeak Resistant - **Style:** 9 inch ## Images ![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, King - Image 1](https://m.media-amazon.com/images/I/71r54UF-PIL.jpg) ![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, King - Image 2](https://m.media-amazon.com/images/I/31CW7yZLbBL.jpg) ![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, King - Image 3](https://m.media-amazon.com/images/I/51BaVyzPAfL.jpg) ![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, King - Image 4](https://m.media-amazon.com/images/I/31ijPlWfv9L.jpg) ![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, King - Image 5](https://m.media-amazon.com/images/I/51rCFO-gOAL.jpg) ## Available Options This product comes in different **Pattern, Size, Style** 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.lk/products/653793408-zinus-9-inch-wonderbox-tm-smart-box-spring-grey-king](https://www.desertcart.lk/products/653793408-zinus-9-inch-wonderbox-tm-smart-box-spring-grey-king) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-09-09*