Description: Made of Stainless Steel, highly resisted to rust, corrosion and tarnishing, Sturdy and Durable. Diameter: 12mm/0.47 inch, thickness: 4mm/0.16inch A locket style diffuser clip. The magnetic closure holds the refill pad secure and make sure your skin and face mask safe Easy to use : Drop 3-4 drops your favorite essential oil or perfume on the refill pad to calms emotions, relieves tension and stress in daily day Its not only can be used with face mask, also be used as a decorative brooch, let your enjoy the fragrance all day. Specification: Material: Stainless Steel, Diameter: 12mm/0.47 inch Thickness: 4mm/0.16inch Package Includes: 1 Piece Magnet Aromatherapy Diffuser Clip (Silver) 1 Piece Magnet Aromatherapy Diffuser Clip (Gold) Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!