"Experience the ultimate in comfort and support with the 12"" King diamond innerspring hybrid and cooling gel memory foam mattress. This mattress is expertly crafted in the USA, combining gel-infused memory foam for a cool, breathable sleep surface with innerspring coils for lasting support. Designed to provide pressure relief and motion isolation, it caters to all sleep positions, ensuring a restful night's sleep without disruptions. With its CertiPUR-US and Oeko TEX certifications, you can trust in the quality and safety of this luxurious gray mattress, measuring 80"" L x 76"" W x 12"" H."