Total amazement is the best way to describe the feel of this high performance futon mattress. Multiple layers of foam padding are designed for comfort and durability. A two-inch-thick layer of high density foam is combined with two layers of three in ch thick convoluted finger foam for a truly unique feel that will last and last. All in all there is over 14 inches of material stuffed into an 8 inch mattress. Machine tufting compresses and smoothes out the material for clean level surfaces. This i s an elite mattress because the comfort is rated to last for 10 to 12 years of everyday use. Chair Mattress: 28W x 54L inches Ottoman Mattress: 28W x 21L inches Twin Mattress: 39W x75L inches Twin Loveseat Mattress - 2 pieces: 39W x 54L inches & 34W x 21L inches Full/Double Mattress: 54W x 75L inches Full Loveseat Mattress - 2 pieces: 54W x 54L inches & 54W x 21L inches Queen Mattress: 60W x 80L inches King Mattress: 76W x 80L inches Cal King Mattress: 78W x 80L inche