This protective case is practical, which can well protect the screen and four corners of the smart watch from falling damage, bump, scratch and other potential damage. Featuring precise cut for functional buttons and ports, this protective case can allow you to access buttons easily. Made of high quality PC material, this product is eco-friendly and durable to use. The length of the product is 4.5cm or 4.1cm. It is compatible for iWatch 7 41/45mm. Item Name: Case Material: PC Features: Scratch Resistant, Dustproof, Wear Resistant Size Details: Length: 4.1cm/1.61", 4.5cm/1.77" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Protective Case(Watch Not Included)