---
product_id: 718661944
title: "Zinus 7 Inch King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly"
brand: "zinus"
price: "€ 1859.65"
currency: EUR
in_stock: true
reviews_count: 5
category: "Zinus"
url: https://www.desertcart.nl/products/718661944-zinus-7-inch-king-metal-smart-box-spring-with-quick
store_origin: NL
region: Netherlands
---

# Compact, all-in-one packaging Supports up to 700 lbs Tool-free quick assembly Zinus 7 Inch King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly

**Brand:** zinus
**Price:** € 1859.65
**Availability:** ✅ In Stock

## Summary

> 🛏️ Upgrade your sleep game with rock-solid support and zero assembly stress!

## Quick Answers

- **What is this?** Zinus 7 Inch King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly by zinus
- **How much does it cost?** € 1859.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/718661944-zinus-7-inch-king-metal-smart-box-spring-with-quick)

## 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 with Confidence:** Backed by a 5-year limited warranty, this foundation is built to last and keep your mattress in prime shape.
- • **Unmatched Steel Strength:** Durable alloy steel frame engineered to support up to 700 lbs, ensuring rock-solid mattress stability.
- • **Sleek, Space-Smart Design:** 7-inch height fits seamlessly under your bed while providing optimal support and airflow.
- • **Effortless Setup in Minutes:** Tool-free locking brackets mean no fumbling with bolts—get your foundation ready faster than ever.
- • **Compact Packaging, Instant Delivery:** All parts and instructions arrive in one neat box, so you can skip the hassle and start relaxing sooner.

## Overview

The Zinus 7 Inch King Metal Smart Box Spring combines a durable alloy steel frame with a quick, tool-free assembly system, supporting mattresses up to 700 lbs. Its compact packaging and 7-inch height make it a sleek, dependable foundation designed for easy setup and long-lasting mattress support, all backed by a 5-year limited warranty.

## 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: Effortless Assembly and Rock-Solid Support – A Huge Improvement Over Older Models
Review: Great Height. Easy to Assemble

## Features

- STRONG, DEPENDABLE, AND READY IN NO TIME - As if its ultra-durable steel structure and convenient packaging weren’t impressive enough, our original Smart BoxSpring has been given a quick-assembly upgrade
- DURABLY ENGINEERED - Durable steel is used to construct the inside framework of this foundation; twin/twin xl sizes support a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs
- EASIER THAN EVER ASSEMBLY - With fewer bolts and tool-free locking brackets for intuitive setup, assembly takes only minutes to complete
- THOUGHTFULLY PACKAGED - All parts and instructions are packed into one compact box that ships straight to your door
- Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09XM6BPL1 |
| Brand Name | Zinus |
| Color | Grey |
| Colour | Grey |
| Customer Reviews | 4.1 out of 5 stars 598 Reviews |
| Finish Types | Steel |
| Furniture Finish | Alloy Steel |
| Global Trade Identification Number | 00841550325362 |
| Ground To Item Distance | 7 Inches |
| Included Components | Steel Frame, Cover |
| Item Depth | 7 inches |
| Item Dimensions | 199.9 x 191.8 x 17.8 centimeters |
| Item Dimensions L x W x H | 199.9L x 191.8W x 17.8H centimeters |
| Item Type Name | Box Spring |
| Item Weight | 44.09 Pounds |
| Manufacturer | Zinus |
| Material | Alloy Steel Fabric |
| Material Type | Alloy Steel Fabric |
| Maximum Weight Recommendation | 700 Pounds |
| Other Special Features of the Product | Durable |
| Product Care Instructions | Wipe with Dry Cloth |
| Product dimensions | 199.9L x 191.8W x 17.8H centimeters |
| Required Assembly | Yes |
| Shape | Rectangular |
| Size | King |
| Special features | Durable |
| Style | New/upgraded with quick assembly |
| Style Name | New/upgraded with quick assembly |
| UPC | 841550325362 |

## Product Details

- **Material:** Alloy Steel Fabric
- **Product dimensions:** 199.9L x 191.8W x 17.8H centimeters
- **Size:** King
- **Special features:** Durable
- **Style:** New/upgraded with quick assembly

## Images

![Zinus 7 Inch King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly - Image 1](https://m.media-amazon.com/images/I/61ZUP4YmjqL.jpg)
![Zinus 7 Inch King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly - Image 2](https://m.media-amazon.com/images/I/61e4dd+fl8L.jpg)
![Zinus 7 Inch King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly - Image 3](https://m.media-amazon.com/images/I/61rgA7n5Z-L.jpg)
![Zinus 7 Inch King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly - Image 4](https://m.media-amazon.com/images/I/71LXSplDg1L.jpg)
![Zinus 7 Inch King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly - Image 5](https://m.media-amazon.com/images/I/71LowFiPXGL.jpg)

## Questions & Answers

**Q: Are any tools required to assemble my box spring?**
A: Yes, just a few! But 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 (sold separately) 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Effortless Assembly and Rock-Solid Support – A Huge Improvement Over Older Models
*by M***I on 20 July 2025*



### ⭐⭐⭐⭐ Great Height. Easy to Assemble
*by J***N on 22 January 2026*



### ⭐⭐⭐⭐ Functions Properly
*by A***R on 30 December 2025*



---

## 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.nl/products/718661944-zinus-7-inch-king-metal-smart-box-spring-with-quick](https://www.desertcart.nl/products/718661944-zinus-7-inch-king-metal-smart-box-spring-with-quick)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-27*