Specification AgeRangeDescription : Adult BaseType : Box Springs Brand : Dyonery BulletPoint1 : ADVANCED MULTI-LAYER SLEEP SYSTEM: The Copper Memory Foam mattress effectively regulates humidity, odor, and temperature, keeping your sleeping surface dry and breathable. It contours to your body, providing customised support that enhances overall sleep quality. Experience a more comfortable and restorative night's rest with this advanced mattress technology. BulletPoint2 : GRAPHENE COOLING KNIT FABRIC COVER: This mattress features a graphene cooling knit fabric cover that delivers a balanced, comfortable feel throughout the night. Its breathable and smooth texture efficiently regulates temperature by wicking heat and moisture away from the body. The hidden zipper design allows for easy removal of the cover without flipping the mattress, simplifying cleaning and maintenance. BulletPoint3 : EFFORTLESS SETUP: Our mattress is expertly compressed, rolled, and packed in a compact box for easy delivery and setup. It is compatible with all types of frames, including box springs, slatted platforms, foundations, flat surfaces, and even floors. Simply unbox the mattress and allow 12 hours for it to fully expand to its original shape. BulletPoint4 : CERTIPUR-US & OEKO-TEX STANDARD 100 CERTIFIED: Our mattresses are certified by both CertiPUR-US and Oeko-Tex Standard 100. All components of our mattress—from the premium memory foam to the breathable fabrics—are rigorously tested for harmful chemicals and volatile organic compounds, delivering a safe sleep environment you can trust. BulletPoint5 : 10-YEAR LIMITED WARRANTY FOR WORRY-FREE SLEEP: Built with high-quality materials and rigorous testing, our mattress is designed for lasting comfort and durability. We stand behind our product with a 10-year limited warranty, providing you with peace of mind and hassle-free assistance should you need it. Please note that our mattresses cannot be returned once opened. BulletPoint6 : Protect Your Expensive Mattress: Unlike cheaper options, our 3 inches memory foam mattress topper won’t flatten or bottom out over time, which makes it a good option for softening up and protecting your expensive mattress. CareInstructions : Hand Wash Only Color : Black ConstructionType : Memory Foam CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 6941168713996 ExternallyAssignedProductIdentifier1 : 810141569553 ExternallyAssignedProductIdentifier2 : 0810141569553 ExternallyAssignedProductIdentifier3 : 00810141569553 FabricType : Memory Foam FillMaterial : copper memory foam FillMaterial1 : Gel Memory Foam FillMaterial2 : High Density Foam FillMaterial3 : Memory Foam FillMaterial4 : Comfort Foam GpsrSafetyAttestation : 1 IncludedComponents : Mattress IncludedComponents1 : Pocket Springs IncludedComponents2 : Support Foam ItemDisplayDimensions_Height : 14 inches ItemDisplayDimensions_Length : 80 inches ItemDisplayDimensions_Width : 76 inches ItemFirmnessDescription : Firm ItemName : Dyonery 14 Inch Firm King Size Memory Foam Mattress in a Box, Copper-Infused Aerofusion Foam & Cooling Fabric Cover, Firm King Mattress, Fiberglass-Free, CertiPUR-US Certified, 76”x80”x14” ItemPackageDimensions_Height : 42 inches ItemPackageDimensions_Length : 20 inches ItemPackageDimensions_Width : 20 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : mattresses Manufacturer : Dyonery Material : Memory Foam Material1 : Memory Foam Material2 : Gel Foam Material3 : Foam Material4 : Pocket Springs MattressCoilType : pocketed_coil MattressComfortLayerMaterial : gel_memory_foam MattressComfortLayerMaterial1 : comfort_foam MattressComfortLayerMaterial2 : gel_memory_foam ModelName : DYO-BLACK-copper ModelNumber : DYO-14K-BL NumberOfItems : 1 NumberOfLayers : 2 NumberOfMattressCoils : 700 PackageLevel : unit PartNumber : MEC140K00DYT Pattern : Pure Blue ProductBenefit : Improves Sleep, Pressure Relief ProductDescription : Dyonery 14 Inch Firm King Size Memory Foam Mattress in a Box, Copper-Infused Aerofusion Foam & Cooling Fabric Cover, Firm King Mattress, Fiberglass-Free, CertiPUR-US Certified, 76”x80”x14” ProductSiteLaunchDate : 2023-11-02T06:03:00.177Z SafetyWarning : This mattress is made with CertiPUR-US certified foam, ensuring it is free from harmful substances and meets strict emission levels for indoor air quality. Always follow proper handling and usage instructions to ensure safety. For specific warnings, consult the product packaging or user manual. Size : King Style : Firm 1.0 SubBrand : Dyonery SupplierDeclaredDgHzRegulation : not_applicable TopStyle : Tight Top UnitCount : 1 UnspscCode : 56101508 WaterResistanceLevel : not_water_resistant