Wolf Slumber Express Smooth 6"Mattress, Multiple Sizes: * Firm feel * No-flip mattress * Smooth top construction * Strong, non-woven gray fabric * Sta-rite inner quilted fiber * 288-coil innerspring * 1-year warranty * Twin size: 38" x 74" * Full size: 54" x 74" * Beds sold separately. See our assortment of beds. * Bed frames sold separately. See our assortment of bed frames.