Completely made of silicone, soft and smooth, safe to use, it won't cause irritation, you can leave them on your face overnight. Simple to apply and stay on your face perfectly, if you keep using it, you will find that your skin feels smoother and softer. Designed for protecting your skin away from wrinkles and fine lines caused by sun damage, aging and laughter. Reusable, you can keep it clean by washing it with running water after use and make it dry for storage. 3 Kinds of anti wrinkle patches are included, suitable for all skin types, won't cause irritation.