DescriptionPerfectly Compatible for Apple Watch 40mm Series 4,made from durable aluminium alloy, anti-collision and rustproof, easily to install or remove the Bumper case compatible with iwatch, protects your watch from dust, dirt, scratches and damages.Feature- Color: Black. - Material: Aluminium Alloy. - Size: 4 x 4 x 0.2cm. - Good compatibility: For Apple Watch Series 4. Note: Apple Watch or Band is NOT included. - Unique Design: Sparking rhinestones setted on full of the Watch Face Case, case made by aluminum alloy, and the glue make the rhinestones solid bond. - Perfect Fit: design bumper case, easy to install and remove, fully access to all buttons, camera, Sensors and ports, it will not off easily. - Full Protection: The case covers all sides and holds the watch tightly, protect your apple watch against scratches, shock, dust, offer external protection.