What We Like About This Futon Mattress This is one of our best medium firm mattresses. It gives any futon frame a plush, supportive feel and is built to stay that way. Constructed with layers of high-quality foam, which is surrounded by a double layer of polyester fabric, this mattress looks and feels great for a long time. Its outer shell is crafted from 7.5-ounce twill for extra strength. * Chair Mattress - 54L x 28W inches * Ottoman Mattress - 28L x 21W inches * Twin Mattress - 75L x 39W inches * Twin Loveseat Mattress - 2 pieces: 54L x 39W inches and 34L x 21W inches * Full/Double Mattress - 75L x 54W inches * Full Loveseat Mattress - 2 pieces: 54L x 54W inches and 54L x 21W inches * Queen Mattress - 80L x 60W inches * King Mattress - 80L x 76W inches * Cal King Mattress - 80L x 78W inches All Otis products have a 10-year warranty protecting against workmanship or material defects, which covers costs associated with repair or replacement. Contact 588-OTIS(6847) with questions. 8-inch thick medium firm futon mattress * Available in a variety of size options to fit your futon furniture * Includes a 10-year warranty * Crafted from high-quality blend of foam and polyester * Outer shell is a 7.5-ounce twill for strength * 8-inch thickness for superior comfort