12 pack napkins are made from 85% cotton and 15% linen,which is a Natural fiber.Natural Fiber is always a good material not polyester , Equally suited to formal and informal seasonal gatherings, our dinner napkins are sewn of cotton and made to stand up to years of use. Engendered Design to coordinate beautifully with a wide range of dinnerware. These classically tailored oversized napkins come in handy for everyday meals or special occasions. Our lightweight, Cotton/Linen cloth napkin unfolds to a generous 20-inch square.It is natural and sustainable.