Made of high quality stainless steel. No-punching installation. Easy to use, practical and convenient. Perfect for kitchen, bathroom, etc. Specification Quantity: Pack of 2 Material: 304 Stainless Steel Color: Black Installation Instructions: 1. No need to drill holes in wall. Clean and dry the wall surface where you plan to install the item (Must be a smooth surface, such as ceramic tiles, metal surface, glass, etc. Not suitable for wallpaper or painted walls). 2. Peel off the protective film of the adhesive on back of the plate. (Use the hair dryer to heat the adhesive when the temperature is low.) 3. Stick the item on the wall and press it for about 10 seconds. 4. Recommended to leave it for 24 hours before use.