Unused ■ Contents: Magnetic metal ring (product body: approx. 1.3mm thick, approx. 5.0g weight) x 1, Alignment tool x 1, Cleaning cloth (dry) x 1 ■ Materials: Magnetic metal ring: Aluminum, Magnet Adhesive surface: Acrylic adhesive [Compatible with various MagSafe accessories] This product is a magnetic metal ring that you stick on the back of your case. Various MagSafe accessories can be fixed with a strong magnet. [Sheet type that you just stick on] You can easily stick it on with an acrylic adhesive sheet. (*Please note that this product cannot be reapplied.) [Easy alignment! With guide frame] An alignment tool is included that can be attached to the center of the case. (*MagSafe chargers cannot be used with cases with a flat thickness of more than 2mm or cases made of metal. It may not be possible to use it if the back is curved, or with silicone cases, or cases with special paint or processing.)