These comfortable soft strips are placed across the nasal bridge to help reduce skin irritation and facial sores, minimize mask leak and improve overall mask comfort. Each pad lasts about a month. Daily cleaning required. The Gecko Pads are made from polymer gel composed of USP grade mineral oil. They are non-toxic, fully washable, hypoallergenic. They do not contain natural rubber latex, or silicone. Available in Large and Small sizes. Suitable for nasal and full face masks.