"PureCare Soft Touch TENCEL Modal sheets feature a soft, sateen woven blend of premium long staple cotton and TENCEL Modal fibers for a smooth, supple touch. Designed to provide the ideal fit for both standard and adjustable base mattresses up to 18"" deep, our premium sheet sets feature: - Precision-Fit corners for a clean, crisp fit on the fitted sheet - A 1"" Precision-Fit elastic cuff, which prevents your fitted sheet from slipping off your mattress - Enveloping pillowcases that secure your pillow in the case throughout the night - An additional 4"" of flat sheet for complete coverage Sheet set includes: fitted sheet / flat sheet / one pillowcase. All PureCare Soft Touch sheets feature antimicrobial silver chloride to inhibit bacteria, mold, and mildew that cause deterioration, stains, and odors on this product."