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.8.6x6x1.8cm/3.38x2.36x0.7inch Color: Water Duck Color/Orange/Blue/Black/Red/Dark Gray/Navy Blue/White For-Garmin Edge 840 Package Includes: 1x Protective Cover note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.