Material: 2 layers of Acrylic (Each layer is 2mm thick) – Sturdy and durable. 2 sizes available: 2x2 and 3x3 inches Metal split keyring included for easy hanging and convenience (length approx 5.5cm, keychain approx 3cm). Double-side printing: Artwork is layered between two transparent acrylic sheets that are firmly heat-pressed together. This construction assures that the print is visible from two sides and won’t be damaged during usage. Each keychain is printed and cut precisely. Keychain is a useful item and at the same time, a cool accessory. Besides keeping the keys, this custom shape 2-sided acrylic keychain can be used to decorate your bags and backpacks, or used as a decoration ornament for your house. Gift this lovely keychain to your friends and families so they can use and see it every day.