(it can cut if the size not really suit for your products.). Clean with rubbing alcohol, let dry.3. add new pad to it then apply it with slight pressure to gadget. press at least 20 second.4. Super strong High Quality removable Adhesive 3-M for all expanding stand /phone stand /phone mount/magnet car holder/magnet car stand and other hook wall hanger and products,can be use as a double side tape.