Strong adhesion, waterproof. PP constructed towel rack to ensure quality and service life. Easy to install, just peel off the protective layer on the back and stick it where you want (must be a smooth surface like tile, metal surface, glass, etc.). It is recommended to place it within 24 hours before hanging anything. You don't have to drill holes in the wall. These towel rails keep towels organized and tidy for your pleasure and enhance your quality of life, ideal for wall mounting in bathrooms and kitchens. Towel bar holder only, does not include other accessories demonstration in the picture.