Features: Premium silicone rubber battery terminal covers provide superior heat resistance up to extreme temperatures, preventing corrosions and acid leakage for enhanced electrical safety. Engineered with fit compatibility, these flexible protectors seamlessly adapt to most vehicle battery terminals without adjustments or tools. Ideal for diyer car owners and mechanics seeking reliabled protective against short circuits in humid coastal areas or commuters vehicles. Perfect for safeguarding battery connection during prolonged highway drives, winter cold snaps, or heatwaves in harsh engine environments. The soft silicone construction ensures quick installation and long term insulation, maintaining optimal battery performances across diverse weather conditions. Specifications: Component: silicone rubber Size: Approx.3.7x7.9x2cm/1.46x3.11x0.79inch Color:Black/Red Package Includes: 4pcs Car Battery Terminal Covers 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.