Easy to use: With adhesive on both sides, these mounting pads make it easy to stick items to almost any surface, without the hassle of traditional mounting methods. Strong and durable: The double-sided adhesive foam is strong and can securely hold items in place Versatile: The round shape and easy-to-use design make these mounting pads perfect for a variety of applications, from hanging posters and light picture frames, to organizing your home and office. Safe for surfaces: The foam material is gentle on surfaces and won't leave any residue, making it safe to use on most glass, metal, and other sold surfaces. 5mm Thick