7" FeatherTouch I #624 King Black Microfiber Futon Mattress features a soft surface feel with four 2" layers of high resiliency convoluted foam and custom-blended "JOY" cotton batting from Gold Bond for resilience and longevity. This king futon mattress includes 20 lbs of Gold Bond Joy cotton batting and is constructed with cotton and convoluted foam.With a thickness of 7 inches, this feather-touch I #624 futon provides maximum comfort. The four layers of high resiliency convoluted foam allow for easy folding into any futon frame. The mattress fabric content is 100% polyester Microfiber colored futon fabric in black.Designed with a custom-blended "JOY" cotton batting, this FeatherTouch I #624 King Black Microfiber Futon Mattress offers a soft surface feel and maximum comfort. It comes in various sizes and colors, including the king size 76" x 80".