Ideal for magnetic supports. Do not change the dimensions of the phone. They can be used together with any Ringke protective cover. It is extremely useful to have a spare or replacement metal plate available for universal compatibility with all magnetic supports. The set contains 2 metal plates: one round and one square. Made of high quality materials for with durable PU leather cover and 3M adhesive for firm installation. Materials: Metal + ecological leather. Adhesion: 3M. Light and thin tiles that remain compact and pleasant in appearance.