Classic Nipcos feature a non-stick area in the center for comfort and are made by infusing silicone gel between two thin layers of plastic.
Can be worn 10-15 times with maximal stickiness
Store in Travel Compact (sold separately) when not in use to preserve shape and adhesive
Clean with mild soap and water. Then let air dry
Silicone adhesive - do not use with a know silicone allergy