Features: The sweatproof silicone casing shield your cycling computer from mud splashes, torrential rains, and sun exposure during gravel grinding, bikepacking trip, or daily commutes. Elevates your biking computer durability with our waterproof and shockproof silicone case, designing to prevent against the adverse weather. This protective case offer a snugly fit and superior protective for your biking computer device, while the included film guards against scratches and fingerprints. Experience peacing of mind during your most intense workouts or wildest adventure, knowing your biking computer is safeguarded by our robusts silicone case and clear protective film. Performs flawlessly on ruggedly trails, wet commutes, or dusty environment with its dirt resistant surfaces and secure grip. Specifications: Component: Silicone Color: white, black, red, dark gray, midnight blue For ELEMNT BOLT Size:Approx.86.2x50.7x21.1mm Practicality: Effectively protect the equipment from collision and scratches, and extend the service life of the equipment. Package Includes: 1pcs Silicone Cover note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.