Organic Cotton Sateen 500 Thread Count Pillowcases Indulge in silky-smooth comfort with breathable, toxin-free pillowcases designed for luxury sleep and lasting quality. Elevate your sleep with the superior softness of Whisper Organics 500-thread-count sateen pillowcases. Expertly woven from 100% GOTS- and Fairtrade-certified organic cotton, these pillowcases offer a rich, silky touch that pampers even sensitive skin. The tighter sateen weave delivers extra warmth and durability while remaining fresh and breathable night after night. Made with single-ply, long-staple cotton, they resist pilling and grow softer with every wash. What's Included   Sizes & Dimensions   Key Features   Certifications   Why You'll Love It   Care Instructions Machine wash warm or cool with like colors on gentle cycle. Do not leave damp. Tumble dry low and remove promptly, or line dry. Warranty & Returns Enjoy peace of mind with a 90-day satisfaction guarantee plus a 1-year warranty. If you're not completely satisfied, we'll arrange a replacement or full refund—and provide free return shipping. FAQs