ENKAY Hat-Prince 3D Full Screen PET Curved Heat Bending HD Screen Protector for Apple Watch Series 4 44mm 1. Slim and excellent flexibility. You do not need to worry about response time of the device becoming slower after applying a protective film. 2. High hardness. The hardness of this film reaches 9H. 3. High definition. This protective film has high light transmittance. The high light transmittance and low light reflectivity make the screen of the mobile phone still clear and normal after attaching the protective film. 4. Function. The protective film can fit your device well and protect your device from scratches, fingerprints, oil, dust, etc. When stained with fingerprints, dirt, oil or other attachments, cleaning is effortless. 5. Easy to use. To attach the glass film, the screen needs to be cleaned thoroughly. 6. Durable. With good performance and PET material, this protective film will be very durable. Precautions: 1. Since this is a fragile product, please note that its edges are fragile. 2. Applying excessive force when installing or removing a screen protector may damage the product. Note: 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.