100% European Flax Linen Napkins With Merrow Edge Stitching. Sold as (Set of 4). This linen is soft to the touch but extremely durable. Machine wash cold, gentle cycle with like colors only. Non-chlorine bleach if desired. Tumble dry low, remove promptly for best results. This product is OEKO-Tex Standard 100 certified, meaning the factory, materials, and dyes exceed the highest criterion of testing for harmful chemicals and synthetics.