Note!!: Carton damaged, Mattress brand new and unused. Please Note: It Sales Mattress Only, But Not Includes Any Other Items, Such as Beautiful Model, Bed Frame, Pillows, Carpet, Etc..Please recognize your mattress is sold by Molblly Home official store, to Ensure high quality product and premium after-sale service. Features & detailsMATERIAL & CONSTRUCTION: 12 inch Memory Foam Mattress is designed with three layers all-foam system, improving support and heat dissipation, mattress layers include (1) 2." gel memory foam that fits your body perfectly and absorbs 95% of your body pressure; (2) 2 comfortable layer with special formula and design for cushioned feel comfort; （3）8" high density support foam which gives your body perfect support from head to toe and create medium-firm feel. HEALTH & HYPOALLERGENIC MATTRESS: The foam has been certified by CertiPUR-US and Oeko-Tex Standard 100 Certified, which means that it is made of safe materials. It does not contain heavy metals and harmful substances. Such as formaldehyde, mercury, and other heavy metals.COMFORTABLE & BREATHABLE: All-foam bed design combined expertise and the best materials with advanced sleep technology. Memory foam conducive to continuous airflow & breathable; Skin-friendly fabrics ;Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief;Specialized foams reduce motion transfer of a partner so your sleep is undisturbed.EASY SHIPPING & SET-UP: Mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed.NOTE:Please allow up to 72 hours for the mattress to fully expand and for any potential odors to dissipate.Tips:May take longer to fully expand due to other factors,like cold weather.WARRANTY: We are a manufacturer specializing in the production and processing of mattresses, we also have professional production and R&D teams. Committed to providing consumers with quality products at affordable prices.Our bed mattress come with 10 years warranty,if for any reason you are unsatisfied, please contact us at any time for support before you return items. Product InformationSize:King Style: 12 InchProduct Dimensions:76*80*12 InchItem Weight:72 PoundsShipping Weight: 76 Pounds Tips:The most important point is, please check again whether the size you buy is suitable for your bed frame.This is very important to you. Once the package is shipped, we will not accept any changes. Including shipping address and mattress size. NOTE：We are sorry that some states are temporarily unable to deliver: PR AK HI Tips:For shipment concern,the mattress is compressed,rolled,and shipped in a box.Here are some tips for unpacking:FIRST: Lay the box on its side in your bedroom,then remove the mattress out.SECOND: Remove mattress from a plastic bag.Please do NOT USE a knife or scissors, as this may result in damage to your mattress surface. We will provide a professional unpacking knife.THIRD: Roll out the compressed mattress on to a clean, flat surface, zipper side down.FORTH: Carefully cut open the clear plastic bag along the edges. The mattress instantly begins to decompress. Remove the bag.FIFTH:Allow bed to fully recover before adding bed linens.It may take 48 to 72 hours to fully expend.