Stayclean is the most amazing fabric you will ever experience. Made via nanotechnology, Stayclean resists water and stains while retaining 100-Percent of the natural feel of the fabric. Stayclean is not a coating and will not wash out, so the product is long lasting. Stayclean 2-Pack Pillow Protector Set Features 240 thread count 100-Percent Cotton Easy Care Set includes 2 standard 20-inch W by 26-inch L pillow protectors Machine wash cold, gentle cycle, tumble dry low, do not bleach. Made in China