Material: metal-iron material, gold-plated zinc alloy layer, not easy to corrode and rust, and strong stability. Exquisite design: It adopts hollow design and glossy appearance, which looks very structured. Collection enthusiasts : This coin is very suitable for collection and can be kept in the coin collection. Suitable size: 40mm in diameter, 3mm in thickness, sealed in a clear acrylic box, easy to store.Multi-Scene Application: The commemorative coins are exquisitely crafted, not only for collecting, but also for photo props and the staging of the scene.1. The acrylic shell protector, easy to store, can guarantee that it will not be scratched.2. It is a very good collection for lovers of commemorative coin collectors.3. Our commemorative coins can be used as collectibles, decorations, and even accessories to add interest.Specification:Material: Alloy, AcrylicColor: GoldSize: 403mm Note: The data are all manual measurement, please allow 1-3cm error, due to the light and display difference, there will be some difference of color, depending on the physical item received.