The photocatalyst that we are using is called “Weltouch®” which means it applies everywhere. We are glad to propose this photocatalyst which has multiple functions. Weltouch Inside Masaki Cooking Towel is made from Premium Quality material that is food grade, Biodegradable, Reusable, and anti-bacterial. It makes your foods & goods fresh longer Weltouch inside masaki cooking towel has an anti bacterial function, hygienic, safe and natural to be used for any kitchen needs and cooking utensils. Reusable by squeezed water. Can be used to wrap vegetables, meat, fruit, fish and clean utensils