The 8" Wool Wrap #613 Twin Black Microfiber futon mattress features an extra firm surface feel with a plush 2" thick layer of superior New Zealand virgin wool surrounding two layers of foam. This mattress is constructed with 8 inches of wool, cotton, and double foam, making it suitable for various sizes and colors.With dimensions of 39" x 75", this futon mattress provides comfort and insulating properties due to its combination of materials. The Wool Wrap has a superior New Zealand virgin wool layer that offers resiliency and durability.The 8" Wool Wrap #613 Twin Black Microfiber futon mattress is made from cotton, wool, and double foam with a black Microfiber colored fabric covering made of 100% polyester. This futon mattress has no assembly required and weighs 58 pounds.