---
product_id: 651668437
title: "Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, Twin"
brand: "zinus"
price: "₨12106"
currency: SCR
in_stock: true
reviews_count: 5
category: "Zinus"
url: https://www.desertcart.sc/products/651668437-zinus-9-inch-wonderbox-tm-smart-box-spring-grey-twin
store_origin: SC
region: Seychelles
---

# Compact eco-friendly packaging Tool-free snap assembly Dual height customization Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, Twin

**Brand:** zinus
**Price:** ₨12106
**Availability:** ✅ In Stock

## Summary

> 🛏️ Elevate your sleep game with smart, sleek support!

## Quick Answers

- **What is this?** Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, Twin by zinus
- **How much does it cost?** ₨12106 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/651668437-zinus-9-inch-wonderbox-tm-smart-box-spring-grey-twin)

## 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 alloy steel frame supports up to 350 lbs with squeak-resistant stability.
- • **Eco-Smart Packaging:** WonderBox™ delivers in a compact, earth-friendly box that fits through any doorway.
- • **Sleep with Confidence:** Backed by a 5-year worry-free warranty for long-term peace of mind.
- • **Tailored Sleep Height:** Choose 5 or 9 inches to perfectly elevate your mattress and optimize comfort.
- • **Effortless Setup in Minutes:** Tool-free design snaps together fast—no sweat, no tools needed.

## Overview

The Zinus 9 Inch WonderBox™ Smart Box Spring in Grey is a twin-sized mattress foundation featuring a durable alloy steel frame with squeak-resistant design. It offers quick, tool-free assembly and comes in eco-friendly compact packaging. With customizable height options (5 or 9 inches) and a 5-year warranty, it supports up to 350 pounds, ensuring long-lasting mattress stability and comfort.

## 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.

Review: calidad precio - esta muy chica de ancho mi colchon es individual y esta mas grande que esto pero de ahi en fuera facil de armar y no es muy caro
Review: Love it!!!!! - Went together so easy. Strong and sturdy. I dont have mine on top of a metal bedframe, using this to get an open frame look to match the loft bed I have over queen bed.. But for people saying its weak or bending on frame, your metal bedframe must have a center bar to support the center of this just like any quality frame should have supporting a wooden box spring. I didnt use the cover so cant make opinion on that. The mattress i have on it is an older 12 inch high Zinus hybrid that is heavy as heck. No creaking, rattles, and stays put. The mattress does sink down a bit in between bars when laying on it as a bigger person, but since in spare room not to worried about it. It would be nice if had few more cross bars but not a dealbreaker. For everyday use Id put a board under the area where main body weight would be. If bed frame in my room broke (which is a Zinus folding smartbase) Id buy one like this.

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D2VMS5TM |
| Brand Name | Zinus |
| Color | Grey |
| Colour | Grey |
| Compatible With Mattress Size | Twin |
| Customer Reviews | 4.0 out of 5 stars 285 Reviews |
| Finish Types | Painted |
| Form Factor | Box Spring |
| Furniture Finish | Unfinished |
| Global Trade Identification Number | 00841550372694 |
| Included Components | Box Spring, Instruction Sheet |
| Item Dimensions | 187.5 x 96.3 x 22.9 centimeters |
| Item Dimensions L x W x H | 187.5L x 96.3W x 22.9H centimeters |
| Item Type Name | Box Spring |
| Item Weight | 9.22 Kilograms |
| Manufacturer | Zinus |
| Manufacturer Part Number | ZU-FBSSG1OC-09T |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Maximum Weight Recommendation | 350 Pounds |
| Model Number | ZU-FBSSG1OC-09T |
| Number of Items | 1 |
| Other Special Features of the Product | Squeak Resistant |
| Product dimensions | 187.5L x 96.3W x 22.9H centimeters |
| Required Assembly | Yes |
| Shape | Rectangular |
| Size | Twin |
| Special features | Squeak Resistant |
| Style | 9 inch |
| Style Name | 9 inch |
| UPC | 841550372694 |
| Unit Count | 1 Count |

## Product Details

- **Colour:** Grey
- **Included components:** Box Spring, Instruction Sheet
- **Material:** Alloy Steel
- **Size:** Queen
- **Special features:** Tool-free, Easy Assembly & Compact Packaging

## Images

![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, Twin - Image 1](https://m.media-amazon.com/images/I/61vyLl9KXCL.jpg)
![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, Twin - Image 2](https://m.media-amazon.com/images/I/91xlxzKaDjL.jpg)
![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, Twin - Image 3](https://m.media-amazon.com/images/I/61GbGQFoOqL.jpg)
![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, Twin - Image 4](https://m.media-amazon.com/images/I/61rgA7n5Z-L.jpg)
![Zinus 9 Inch WonderBox(TM) Smart Box Spring, Grey, Twin - Image 5](https://m.media-amazon.com/images/I/81AkJXzJFwL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐ calidad precio
*by S***O on 18 July 2025*

esta muy chica de ancho mi colchon es individual y esta mas grande que esto pero de ahi en fuera facil de armar y no es muy caro

### ⭐⭐⭐⭐⭐ Love it!!!!!
*by T***A on 20 April 2026*

Went together so easy. Strong and sturdy. I dont have mine on top of a metal bedframe, using this to get an open frame look to match the loft bed I have over queen bed.. But for people saying its weak or bending on frame, your metal bedframe must have a center bar to support the center of this just like any quality frame should have supporting a wooden box spring. I didnt use the cover so cant make opinion on that. The mattress i have on it is an older 12 inch high Zinus hybrid that is heavy as heck. No creaking, rattles, and stays put. The mattress does sink down a bit in between bars when laying on it as a bigger person, but since in spare room not to worried about it. It would be nice if had few more cross bars but not a dealbreaker. For everyday use Id put a board under the area where main body weight would be. If bed frame in my room broke (which is a Zinus folding smartbase) Id buy one like this.

### ⭐⭐⭐⭐⭐ Very sturdy and surprisingly quiet
*by A***3 on 19 November 2025*

I’m honestly impressed with this foundation. I bought the king size and was expecting it to be heavy and complicated, but it was actually very easy to put together. The frame feels solid once it’s assembled, and it doesn’t wobble or shift when you get in and out of bed. What I like the most is that it makes absolutely no noise. No squeaks, no movement sounds at all. The support is firm in a good way, and the surface feels steady under the mattress. It also doesn’t weigh as much as I expected, so moving it around wasn’t a problem. Overall, it looks clean, feels durable, and holds the mattress perfectly without sliding. The height is perfect to match the regular bed headboard. (4 " works )Great buy.

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-08-22*