Bicycle Computer Silicone Protective Cover for Edge 520 Bike Computer Cycling Speed Meter Shockproof Cover for Case Features: brand new and high quality. Suitable for Edge 520 cycling computer (only silicone for case, not including cycling computer) Make your cycling computer more cute and fashionable. Made of soft and durable silicone rubber, long service life. Alternative Holes: The holes are cut perfectly not to block the port or the view piece / screen as well as the heart rate monitor, and it's definitely well made. Protective: With this rubber band cover, you can keep your new watch in great condition for a long for time, you can wear, makes your watch more safe at anywhere. Specification: Color: white, yellow, red, purple, dark blue, black, orange, green Material: silicone Size: 8cm/3.15"5.5cm/2.17" Weight: about 15g Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 Bicycle Computer Silicone Cover for Edge 520 (cycling computer not included)