Premium and Durable: The pillow cover is made of plaid linen fabric, skin-friendly, breathable, anti-fading, anti-wrinkle, antibacterial and anti-pilling, just bring safe and comfortable experiences to your skin, exquisite craftsmanship and ingenious tailoring, strong and durable. Invisible Zipper Design: Pillow covers designed with invisible zipper, convenient to use, the appearance is more beautiful and will not scratch your body accidentally; Please gently pull the zipper to avoid damaging the zipper, no loose yarn or tearing due to professional sewing. Pillow Covers Size: Each pillow cover measures 18" x 18" (Please allow 1-2cm deviation due to hand cutting and sewing). Pillow covers only, not including pillow inserts. Pack of 2 pillowcases. Washing Tips: Machine and hand wash in cold water, gentle cycle only, do not use bleach, tumble dry low, do not iron will look brand new. All colors are machine washable. However, it is recommended to wash dark colors separately.