<p>Extra-fine four-ply cotton is sateen woven to a luxurious 1000-thread-count for our bespoke Italian sheeting. Tailored with durable extra-long-staple yarns for unparalleled softness, durability and the highest-quality finish, this signature bedding collection is remarkably comfortable yet cool—a year-round foundation to use on its own or for layering.</p> <ul> <li>Loomed in Italy from extra-long-staple cotton.</li> <li>STANDARD 100 by OEKO-TEX® Certified: Tested for 350+ harmful substances to keep you and your family safe. Certificate #14.HUS.42449. <a href="https://www.williams-sonoma.com/customer-service/williams-sonoma-cares.html">Learn more</a> about our environmental commitment.</li> <li>Sheet set includes a flat, fitted and two cases.</li> <li>Flat sheet and pillowcases are tailored with tucked hems.</li> <li>Fitted sheet is 16" deep.</li> <li>Made in Italy.</li> </ul>