---
product_id: 724387157
title: "12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed"
brand: "qemnx"
price: "¥112001"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/724387157-12-inch-king-size-mattress-medium-firm-mattress-for-cool
store_origin: JP
region: Japan
---

# Motion isolating springs Breathable temperature regulation 12-inch king size comfort 12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed

**Brand:** qemnx
**Price:** ¥112001
**Availability:** ✅ In Stock

## Summary

> 🛌 Sleep like royalty, wake refreshed—upgrade your nights now!

## Quick Answers

- **What is this?** 12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed by qemnx
- **How much does it cost?** ¥112001 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/724387157-12-inch-king-size-mattress-medium-firm-mattress-for-cool)

## Best For

- qemnx enthusiasts

## Why This Product

- Trusted qemnx brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hybrid Comfort & Support:** High-density memory foam + wrapped springs for tailored support across all sleep positions.
- • **Eco-Friendly Breathability:** Non-toxic, sustainable materials with temperature-regulating design for year-round comfort.
- • **Motion Isolation Technology:** Individually wrapped springs absorb movement, ensuring undisturbed sleep for couples.
- • **Effortless Setup & Expansion:** Ships compressed, expands fully within 24-92 hours—no tools needed for instant upgrade.
- • **Pressure Relief & Spinal Alignment:** Ergonomic foam layer reduces joint stress and promotes healthy posture all night.

## Overview

This 12-inch king size hybrid mattress combines high-density memory foam with individually wrapped springs to deliver medium-firm support, pressure relief, and superior motion isolation. Crafted from eco-friendly materials, it offers breathable temperature regulation and enhanced edge support. Ships compressed for easy setup and expands fully within 1-4 days, making it a perfect upgrade for couples and single sleepers seeking comfort and durability.

## Description

Full description not available

## Features

- COMFORT & SUPPORT:The QEMNX hybrid mattress combines high-density memory foam with individually wrapped springs, offering exceptional comfort and support for side, back, and stomach sleepers. Enhanced edge support ensures durability, making it ideal for couples, families, and single users
- PRESSURE RELIEF & SPINAL ALIGNMENT:Designed to relieve pressure points in the shoulders, back, and hips, the memory foam layer evenly distributes body weight, promotes circulation, and maintains natural spinal alignment. This reduces muscle tension and joint stress for a restful night’s sleep
- BREATHABLE ECO-FRIENDLY DESIGN:Made with eco-friendly, non-toxic materials, the mattress is safe, healthy, and long-lasting. The breathable layer regulates temperature, keeping you cool in summer and warm in winter, while supporting sustainable living
- MOTION ISOLATION TECHNOLOGY:The individually wrapped spring system effectively absorbs motion, minimizing disturbances from a partner’s movements. Perfect for light sleepers and couples, it ensures a quiet and uninterrupted sleep environment
- EASY SETUP & QUICK EXPANSION:Compressed packaging makes transportation easy and installation hassle-free. The mattress fully expands to its ideal thickness within 24-92 hours after unpacking, requiring no additional tools for a quick bedroom upgrade

## Product Details

- **Brand:** QEMNX
- **Size:** King (U.S. Standard)
- **Product Dimensions:** 80"L x 76"W x 12"Th
- **Item Weight:** 88 Pounds
- **Item Firmness Description:** Medium Firm
- **Top Style:** Plush Top
- **Cover Material:** Cotton
- **Number of Layers:** 8
- **Fill Material:** Memory Foam
- **Weight Limit:** 500 Pounds

## Images

![12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed - Image 1](https://m.media-amazon.com/images/I/71Oh5RD4aLL.jpg)
![12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed - Image 2](https://m.media-amazon.com/images/I/71qvZ3o1DkL.jpg)
![12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed - Image 3](https://m.media-amazon.com/images/I/81LD-BMWMsL.jpg)
![12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed - Image 4](https://m.media-amazon.com/images/I/718iwwmtYlL.jpg)
![12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed - Image 5](https://m.media-amazon.com/images/I/715CuU7BO+L.jpg)

## Frequently Bought Together

- QEMNX 12 Inch King Size Mattress, Medium Firm Mattress for Cool Night & Pressure Relief,Edge Support Pressure Relief with Motion Isolating, Ships Compressed
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**Shop now:** [https://www.desertcart.jp/products/724387157-12-inch-king-size-mattress-medium-firm-mattress-for-cool](https://www.desertcart.jp/products/724387157-12-inch-king-size-mattress-medium-firm-mattress-for-cool)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-23*