Purchase an additional cotton cover for your PerfectNoggin. Hand-sewn in the United States by Pampered Shop Cloth. There are 10 stock colors to choose from, or you can order custom covers with any type or color fabric you desire.  Custom order can be made directly from the Pampered Shop Cloth web site: https://www.etsy.com/listing/847917624/perfectnoggin-custom-cover?ref=shop_home_active_1.