King Mattress, Nisien 12 Inch Memory Foam Mattress King Size, Innerspring Hybrid King Bed Mattress in a Box Medium Firm with Motion Isolation & Strong Support & Pressure Relief, CertiPUR-US

SLEEP SOUNDLY -Nisien 12 inch king size mattress combines the innerspring wrapped coils with the cooling gel memory foam for an optimal sleep experience. The pressure-relieving foam cradles your body shape so you awake free of aches and pains and fresh as a daisy. COOL TO SLEEP ON - The cooling gel particles, air-flow between coils and the hypoallergenic fabrics maintain a comfortable climate all night, making this twin bed more breathable. ISOLATED MOTION - The individually pocketed coils provide enough support for proper spinal alignment and absorb motion disturbance between partners, allowing your deep sleep not to be disturded. KING SIZE BED IN A BOX - Measures 76" W x 80" D x 12" H and supports a maximum weight of 700 lbs. It is compatible with most twin bed frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed. WORRY-FREE - This medium firm mattresses come with a 10-year warranty. We recommend 72 hours for your new mattress to return to its full shape. Keep enough distance to the mattress when unwrappeing,as it may have a risk to smack people when expanding.For assistance with any problems you may have, please contact our customer support team. Breathability: Our breathable foam uses a porous, open design that allows for greater air circulation.|Conforming Response: The body-contouring memory foam reduces pressure points and properly aligns the spine.|Orthopedic Support: Gel memory foam and comfort foam layers reduce pressure points between shoulders, neck and back.|Low Motion Transfer: Gel memory foam gently 'fills in' and reshapes itself to your new sleeping posture, cradling every part of your body.|Cooling Technology: Our foam is infused with a layer of cooling gel that draws heat away from your body and keeps a steady temperature while you sleep.|CertiPUR-US Certified Foam: Gel memory foam meets CertiPUR-US program standards for performance, emissions, and durability.