Meet our latest Beautyrest Feather and Down Fiber Mattress Topper innovation. This extra layer is committed to adding the right softness, cushioning, and comfort to your regular mattress, while the unbeatable components such as Tencel & Cotton Blend fabrics and the Down and Feather Fiber Blend fill will provide the perfect mixture of support and warmth for the ultimate choice in luxury. Twin - 39 in x 75 in; Full - 54 in x 75 in; Queen - 60 in x 80 in; King - 78 in x 80 in.