Our mattress is a perfect combination of comfort and innovation.The upper layer is 1 inch bamboo charcoal gel, which can keep the fresh smell. The lower layer is 4/5 inch green tea support foam. The unique combination of bamboo charcoal and green tea injected into the memory cotton layer is designed for quiet night sleep.The cover is made of 280g 100% polyester fabric, with soft and luxurious touch on the top and edges.The bottom is made of 85g non-slip fabric to ensure your mattress is safely secured.The removable zipper design makes it easy to clean the cover.CertiPUR-US certified, upgrade your sleeping sanctuary and immerse yourself in an unparalleled world of comfort and relaxation