Poly Premier Black 20" x 20" inch dinner napkins (sold by the dozen)Premier linens and napkins feature a rich tapestry in 74 vibrant colors. These high quality napkins add a special touch to any occasion. Premier is versatile and durable and will enhance any of your event needs. These napkins are 100% polyester.How to wash and care for your Polyester Napkins.- Wrinkle & stain resistant *not wrinkle or stain proof*.- Colors will not fade, even after multiple washes.- Do not wash together with other fabrics.- The temperature of ironing should be no higher than 290F (degrees Fahrenheit).- We do not recommend drying these napkins in Laundromat dryers, they are simply too hot.- Drying Temperatures in excess of 180F can shock the cloth and create permanent wrinkles.-Passes the NFPA 701-2010 Test #1 for flame resistance.