This mattress is included with all our Bed packages. It is the preferred mattress for our Bed among almost all users. Viscoelastic Memory foam, no toxic chemicals. With zippered cover. (Shown her with various indoor & outdoor Beds.) Standard sheets (Eastern King, deep pocket), available at any store, will perfectly fit our mattresses. You do not have to find special sheets. | King - 93" | Queen - 87" | Double - 77" | Youth - 71"