---
product_id: 665066644
title: "Dreamlife 12” Foam Mattress-in-a-Box, King, SealyComfort Gel Memory Foam, SealySupport Transition Foam, Surface-Guard Technology"
brand: "sealy"
price: "₩2586796"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/665066644-dreamlife-12-foam-mattress-in-a-box-king-sealycomfort-gel
store_origin: KR
region: South Korea
---

# 2.5” gel memory foam for cooling comfort 12” premium foam layers Surface-Guard antimicrobial tech Dreamlife 12” Foam Mattress-in-a-Box, King, SealyComfort Gel Memory Foam, SealySupport Transition Foam, Surface-Guard Technology

**Brand:** sealy
**Price:** ₩2586796
**Availability:** ✅ In Stock

## Summary

> 🛌 Sleep smart, wake unstoppable — the mattress that works as hard as you do.

## Quick Answers

- **What is this?** Dreamlife 12” Foam Mattress-in-a-Box, King, SealyComfort Gel Memory Foam, SealySupport Transition Foam, Surface-Guard Technology by sealy
- **How much does it cost?** ₩2586796 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/665066644-dreamlife-12-foam-mattress-in-a-box-king-sealycomfort-gel)

## Best For

- sealy enthusiasts

## Why This Product

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

## Key Features

- • **10-Year Peace of Mind:** Backed by Sealy’s rigorous testing and a decade-long limited warranty for trusted durability.
- • **Durable Support Layer:** High-density SealySupport foam ensures lasting resilience and structural integrity.
- • **Certified Safe & Clean:** CertiPUR-US certified foam free from harmful chemicals for a healthier sleep environment.
- • **Adaptive Gel Memory Foam:** Contours precisely to your body for tailored pressure relief and all-night comfort.
- • **Antimicrobial Surface-Guard:** Built-in protection against bacteria and allergens keeps your mattress fresh and hygienic.

## Overview

The Sealy Dreamlife 12” Foam Mattress-in-a-Box King combines advanced gel memory foam and high-density transition foam to deliver personalized pressure relief and durable support. Featuring CertiPUR-US certification and Surface-Guard antimicrobial technology, it promotes a cleaner, healthier sleep environment. Designed and made in the USA, it comes with a 10-year limited warranty, ensuring long-lasting comfort and quality for the modern professional.

## Description

This Sealy® Dreamlife™ 12” Foam King Size Mattress is designed to help you stay cozy all night (or all day) and wake up feeling refreshed. And it’s made by Sealy®, a leader in quality sleep products for over 140 years. Advanced SealyComfort™ gel memory foam adapts and responds to every part of your body to provide pressure relief and a personalized sleep experience, while SealySupport™ Transition Foam enhances the overall comfort of the mattress and adds long-lasting durability. Sealy® Dreamlife™ is also dedicated to promoting a healthier sleep environment. CertiPUR-US® ensures the mattress foam meets strict standards for content, emissions and durability, and Surface-Guard Technology™ kills bacteria on the surface of the mattress, protecting it from common allergens which can lead to a better night’s sleep. This mattress was designed and built in the USA and includes a 10-year limited warranty, so you can rest easy with comfort you can count on.

## Features

- 2.5” SEALYCOMFORT GEL MEMORY FOAM: This cushioning gel memory foam layer conforms to the shape of your body, providing tailored pressure relief and support where you need it most
- 2.5” SEALYSUPPORT TRANSITION FOAM: This additional layer of high-density foam enhances the overall comfort of the king mattress in a box by offering extra support and durability
- CERTIPUR-US CERTIFIED: The Sealy Dreamlife mattress foam meets the strict standards set by CertiPUR-US, ensuring it is made without certain harmful chemicals including formaldehyde, ozone depleters, phthalates regulated by the U.S. Consumer Product Safety Commission, or mercury, lead or other heavy metals.
- SURFACE-GUARD TECHNOLOGY: Built-in antimicrobial protection with Surface-Guard Technology helps prevent the growth of bacteria and the buildup of allergens on the mattress surface
- 10-YEAR LIMITED WARRANTY: Rest assured with reliable comfort, this king memory foam mattress is backed by Sealy’s rigorous product testing for exceptional quality and long-lasting durability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 81.6 pounds |
| Product Dimensions | 80 x 76 x 12 inches |
| Country of Origin | USA |
| Item model number | F03-00237-KG0 |

## Product Details

- **Brand:** Sealy
- **Size:** King
- **Product Dimensions:** 80"L x 76"W x 12"Th
- **Item Weight:** 81.6 Pounds
- **Item Firmness Description:** Plush
- **Top Style:** Gel Top
- **Cover Material:** Polyester
- **Number of Layers:** 2
- **Fill Material:** Gel Memory Foam
- **Special Feature:** Pressure Relief

## Images

![Dreamlife 12” Foam Mattress-in-a-Box, King, SealyComfort Gel Memory Foam, SealySupport Transition Foam, Surface-Guard Technology - Image 1](https://m.media-amazon.com/images/I/813uglDVSGL.jpg)

## Available Options

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

## Frequently Bought Together

- Sealy Dreamlife 12” Foam Mattress-in-a-Box, King
- LIKIMIO King Size Bed Frame, Storage Headboard with Charging Station, Solid and Stable, Noise Free, No Box Spring Needed, Easy Assembly
- Premium 100% Waterproof King Mattress Protector Breathable Cooling 3D Air Fabric Cover Smooth Soft Hypoallergenic Noiseless Bed Cover Machine Washable Vinyl Free, 8-21'' Deep Pocket

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**Shop now:** [https://www.desertcart.kr/products/665066644-dreamlife-12-foam-mattress-in-a-box-king-sealycomfort-gel](https://www.desertcart.kr/products/665066644-dreamlife-12-foam-mattress-in-a-box-king-sealycomfort-gel)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-23*