--- product_id: 665066644 title: "- Sealy Dreamlife 12” Foam Mattress-in-a-Box, King, SealyComfort Gel Memory Foam, SealySupport Transition Foam, Surface-Guard Technology" brand: "sealy" price: "54005180₫" currency: VND in_stock: true reviews_count: 8 category: "Sealy" url: https://www.desertcart.vn/products/665066644-sealy-dreamlife-12-foam-mattress-in-a-box-king-sealycomfort store_origin: VN region: Vietnam --- # 2.5” gel memory foam layer 12” plush foam thickness Surface-Guard antimicrobial tech - Sealy Dreamlife 12” Foam Mattress-in-a-Box, King, SealyComfort Gel Memory Foam, SealySupport Transition Foam, Surface-Guard Technology **Brand:** sealy **Price:** 54005180₫ **Availability:** ✅ In Stock ## Summary > 🌙 Sleep smart, wake unstoppable with Sealy Dreamlife! ## Quick Answers - **What is this?** - Sealy 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?** 54005180₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/665066644-sealy-dreamlife-12-foam-mattress-in-a-box-king-sealycomfort) ## 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 - • **Risk-Free Rest:** Backed by a 10-year limited warranty, guaranteeing quality and durability you can trust. - • **Durable Support Layer:** High-density SealySupport Transition Foam ensures long-lasting comfort and mattress integrity. - • **Clean Sleep Environment:** Surface-Guard Technology actively fights bacteria and allergens for healthier rest. - • **Tailored Pressure Relief:** SealyComfort Gel Memory Foam adapts perfectly to your body for personalized support. - • **Certified Safe & Eco-Friendly:** CertiPUR-US certified foam free from harmful chemicals for peace of mind. ## Overview The Sealy Dreamlife 12” Foam Mattress-in-a-Box King features advanced 2.5” gel memory foam for adaptive pressure relief, a supportive transition foam layer for durability, and antimicrobial Surface-Guard Technology to maintain a clean sleep surface. CertiPUR-US certified and backed by a 10-year warranty, this mattress delivers a premium, health-conscious sleep experience designed and made in the USA. ## 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. Review: Very good quality for the price - Very comfortable for 8 inch mattress. Pretty firm expanded instantly when I opened the plastic package, fit nicely in my bunk bed. My cats use it for their sleeping area.😸 Review: Great Mattress - Great mattress and price? We purchased this king mattress for our vacation home and to be honest it was great. I do recommend letting sit after opening 24 hrs to make sure it expands completely. Mattress does sit on a medium feel. If you looking for a firm mattress this might not be your top choice. ## 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 | |---------------|-------| | ASIN | B0D7Z9YM2M | | Additional Features | Pressure Relief | | Age Range Description | Adult | | Best Sellers Rank | #75,740 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #247 in Mattresses | | Brand | Sealy | | Brand Name | Sealy | | Color | Dreamlife | | Construction Type | Gel Foam | | Cover Material | Polyester | | Customer Reviews | 4.4 out of 5 stars 849 Reviews | | Fill Material | Gel Memory Foam | | Included Components | Mattress | | Is Customizable? | No | | Is Foldable | No | | Item Depth | 12 inches | | Item Dimensions | 80 x 76 x 12 inches | | Item Dimensions L x W x Thickness | 80"L x 76"W x 12"Th | | Item Firmness Description | Plush | | Item Thickness | 12 Inches | | Item Type Name | Bed Mattress Conventional | | Item Weight | 81.6 Pounds | | Manufacturer | Sealy | | Manufacturer Part Number | F03-00237-KG0 | | Material Type | Memory Foam, Spandex | | Mattress Comfort Layer Material | Gel Memory Foam | | Model Name | Memory Foam | | Model Number | F03-00237-KG0 | | Number of Layers | 2 | | Product Benefits | Pressure Relief | | Product Care Instructions | Spot clean only - wipe area with a light damp sponge or vacuum with a soft brush attachment to remove particles. | | Product Dimensions | 80"L x 76"W x 12"Th | | Set Name | Dreamlife King 12" | | Size | King | | Style Name | 12" | | Top Style | Gel Top | | UPC | 810143391077 | | Unit Count | 1.0 Count | | top-style | Gel Top | ## Product Details - **Brand:** Sealy - **Cover Material:** Polyester - **Fill Material:** Gel Memory Foam - **Item Firmness Description:** Plush - **Item Weight:** 81.6 Pounds - **Number of Layers:** 2 - **Product Dimensions:** 80"L x 76"W x 12"Th - **Size:** King - **Special Feature:** Pressure Relief - **Top Style:** Gel Top ## Images ![- Sealy 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very good quality for the price *by R***N on April 30, 2026* Very comfortable for 8 inch mattress. Pretty firm expanded instantly when I opened the plastic package, fit nicely in my bunk bed. My cats use it for their sleeping area.😸 ### ⭐⭐⭐⭐⭐ Great Mattress *by A***R on May 18, 2026* Great mattress and price? We purchased this king mattress for our vacation home and to be honest it was great. I do recommend letting sit after opening 24 hrs to make sure it expands completely. Mattress does sit on a medium feel. If you looking for a firm mattress this might not be your top choice. ### ⭐⭐⭐⭐⭐ Will it be comfortable *by S***Y on May 20, 2026* Love it! Doesn’t hurt back hips and sleeping much better. Worth price. ## 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 --- ## 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.vn/products/665066644-sealy-dreamlife-12-foam-mattress-in-a-box-king-sealycomfort](https://www.desertcart.vn/products/665066644-sealy-dreamlife-12-foam-mattress-in-a-box-king-sealycomfort) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-04*