---
product_id: 356201829
title: "ZINUS 7 Inch Metal Smart Box Spring/Mattress Foundation/Strong Metal Frame/Easy Assembly, California King"
brand: "zinus"
price: "S$357"
currency: SGD
in_stock: false
url: https://www.desertcart.sg/products/356201829-zinus-7-inch-metal-smart-box-spring-mattress-foundation-strong
store_origin: SG
region: Singapore
---

# compact all-in-one box supports up to 700 lbs 5-min easy assembly ZINUS 7 Inch Metal Smart Box Spring/Mattress Foundation/Strong Metal Frame/Easy Assembly, California King

**Brand:** zinus
**Price:** S$357
**Availability:** ❌ Out of Stock

## Summary

> 🛏️ Elevate your sleep game with the last box spring you'll ever need!

## Quick Answers

- **What is this?** ZINUS 7 Inch Metal Smart Box Spring/Mattress Foundation/Strong Metal Frame/Easy Assembly, California King by zinus
- **How much does it cost?** S$357 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/356201829-zinus-7-inch-metal-smart-box-spring-mattress-foundation-strong)

## 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

- • **Peace of Mind Warranty:** Backed by ZINUS’s 5-year limited warranty—sleep confidently knowing your foundation is covered.
- • **Sleek, Minimalist Design:** Grey steel finish with a low-profile 7-inch height that complements any modern bedroom aesthetic.
- • **Heavyweight Support Power:** Handles up to 700 lbs (California King), ensuring stability for every sleep style and body type.
- • **Effortless Setup in Minutes:** Tool-included, intuitive assembly that gets your foundation ready in under 5 minutes—no sweat, no stress.
- • **Built to Last Steel Backbone:** Solid alloy steel frame engineered for unmatched durability and mattress support.

## Overview

The ZINUS 7 Inch Metal Smart Box Spring is a California King mattress foundation crafted from durable alloy steel, designed for quick assembly and robust support up to 700 lbs. Its compact packaging includes all tools and instructions, complemented by a sleek grey finish and a 5-year warranty, making it the ultimate upgrade for a stable, noise-free, and stylish sleep setup.

## Description

We like to think of a box spring as the backbone for your mattress. The best kind should be flat, level and built to keep your mattress in tiptop shape; and that’s just what the Smart Box Spring does! With its easily assembled, dependable steel structure, you can rest assured that your mattress will be sitting pretty. An included poly jacquard cover blends with the rest of your bedroom, and with a variety of different thicknesses to choose from, you can pick the one you need to customize the height of the bed. 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

- THE LAST BOX SPRING YOU’LL EVER NEED - Unlike a traditional box spring, the Smart box spring is made of solid steel that comes together in no time and is backed by our ZINUS “Peace of Mind” 5 year warranty
- DURABLY ENGINEERED - Durable steel is used to construct the inside framework of this foundation; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs
- THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door
- Box spring only, a bed frame or platform bed is required to support this foundation and is sold separately
- Worry-free 5 year limited warranty included
- This item arrives in one shipping box

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MY3154J |
| Brand Name | Zinus |
| Color | Grey |
| Compatible With Mattress Size | California king |
| Customer Reviews | 4.5 4.5 out of 5 stars (16,870) |
| Finish Types | Steel |
| Form Factor | Rectangular Box Spring |
| Furniture Finish | Alloy Steel |
| Global Trade Identification Number | 00841550100143 |
| Included Components | Bed Frame, Installation Manual, Tools |
| Item Depth | 71.5 inches |
| Item Dimensions | 2.11 x 1.82 x 0.18 Meters |
| Item Dimensions L x W x H | 2.11L x 1.82W x 0.18H Meters |
| Item Type Name | Box Spring |
| Item Weight | 20.15 kg |
| Manufacturer | Zinus |
| Manufacturer Part Number | OLB-ABS-7CK |
| Material Type | Alloy Steel |
| Maximum Weight Recommendation | 700 Pounds |
| Model Number | OLB-ABS-7CK |
| Other Special Features of the Product | Durable |
| Product Care Instructions | Wipe with Dry Cloth |
| Required Assembly | Yes |
| Shape | Rectangular |
| Size | California King |
| Style Name | Original |
| UPC | 841550100143 |
| Unit Count | 1 Count |

## Product Details

- **Material:** Alloy Steel
- **Product dimensions:** 2.11L x 1.82W x 0.18H Meters
- **Size:** California King
- **Special features:** Durable
- **Style:** Original

## Images

![ZINUS 7 Inch Metal Smart Box Spring/Mattress Foundation/Strong Metal Frame/Easy Assembly, California King - Image 1](https://m.media-amazon.com/images/I/81ArKY6Nk0L.jpg)

## Available Options

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

## Questions & Answers

**Q: Are any tools required to assemble my box spring?**
A: This box spring is shipped with everything you need to assemble it - all parts, tools and instructions can be found efficiently packed in the shipping box.

**Q: Does this box spring require a bed frame?**
A: A basic metal bed frame or platform bed is required to support this box spring. Add your mattress, and you've got the dynamic trio for rock solid support.

**Q: What kind of mattress can this box spring support?**
A: Our box springs are designed to do it all! Rest your memory foam, latex or spring mattress on top for smooth snoozing.

**Q: What is the distance between slats?**
A: For Twin and Full sizes, spacing is 6.3 inches. For Twin XL, Queen and King sizes, spacing is 6.7 inches. For California King size, spacing is 7.2 inches.

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**Shop now:** [https://www.desertcart.sg/products/356201829-zinus-7-inch-metal-smart-box-spring-mattress-foundation-strong](https://www.desertcart.sg/products/356201829-zinus-7-inch-metal-smart-box-spring-mattress-foundation-strong)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-19*