Description Features: Use it to cover the bottom hole of the car wiper arm, and protect the inner bearing from leaves, dust, gravels, and snow to prolong the service life. It does not block the road view or affect the movement of the wiper arm. The surfaces of the silicone dust cover are knurled, easy to clean and durable, resistant to high and low temperatures, wear-resistant, and not easy to damage. Suitable for wiper arms of car, SUVs, trucks, etc. Sliding sleeve installation without any tools, quick and easy. Specifications: Material:Silicone Size:Approx.7.5x9.8cm/2.95x3.86 Color:Black,Transparent Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 2x Wiper Hole Protective Cover