Never used but they were in the linen closet for a year or so. Experience the comfort and protection of the Moonsea Waterproof Cotton Terry Pillowcases, designed to shield your pillows from spills and allergens. Crafted from soft, breathable cotton terry, these king-size pillowcases (20 x 36 inches) ensure a comfortable, plush feel with every nap. Their durable construction is complemented by a seamless zipper closure for easy removal and machine-washable convenience. Certified by STANDARD 100 by OEKO-TEX, these pillowcases are produced with high-quality materials and meet stringent safety and quality requirements. The 2-pack set comes in a crisp white hue, fitting seamlessly into any bedroom décor. With features like waterproof protection, smooth texture, and a breathable weave, these pillowcases promise to keep your pillows fresh and clean.