Material: Made of high quality polyester linen, no peculiar smell, comfortable, breathable, durable and stylish. Size: 18 x 18 inches (45 x 45 cm), please allow 1-2 cm deviation because they are handmade. (Insert or filler not included). Tips: Our pillow cover fits 18 x 18 inches insert or smaller insert. Craftsmanship: Hidden zipper closure, easy to insert and remove the pillow cover.