Features: No fading, no discoloration, water rinsing, easy to clean. High-quality silicone material, light weight, strong-toughness, durable, wear-resistant and scratch-resistant. Does not fade, does not change color, can be washed with water, easy to clean. 8 colors are available, highlighting fashion and personality, and can be matched-with various riding sports scenes. The size fits, built-according to the-original code table, easy to take and install. Specifications: Material:Silicone Size:Approx.8.6x5.93x1.72cm3.38x2.33x0.67inch Color:Black/White/Dark Gray/Light Green/Wine Red/Orange/Red/Dark Blue For Edge 840 540 Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Protective Cover 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.