The 8" Wool Wrap #613 21x39 Twin Loveseat Ottoman Futon Mattress features an extra firm surface feel with a 2" thick layer of superior New Zealand virgin wool surrounding two layers of foam.With its 8" thickness, this twin loveseat ottoman futon mattress provides comfort and insulating properties. The Wool Wrap has a cotton and wool construction for pure comfort and is made from 50 lbs of Gold Bond Joy cotton batting wrapped in virgin New Zealand wool.The 8" wool wrap #613 21x39 black duct twin loveseat ottoman futon mattress includes 2 pieces of 1.5" High Resiliency foam and is designed with a plush layer of wool for resiliency and comfort.