Content: 6 battery terminal covers, including 3 red and 3 black, with a size of about 7.9*3.7*2.2cm. They are abundant in quantity, bright in color, and can be used for daily replacement. Practical design: Battery terminal protectors are available in two colors, red and black, and have excellent properties insulation, reducing contact between the connector terminal and the air to prevent wear after wear. In addition, bright red and black colors make it easy to distinguish positive and negative poles. High-quality material: The battery terminal covers are made of high-quality insulating rubber, which is soft, malleable, non-slip, durable, and can withstand high and low temperatures without wearing out, allowing for long-term use. Easy to use: The battery terminal covers are very easy to install and can be successfully installed in seconds. Even if it is your first time using them, you can install them independently. Wide application: The universal design of the battery protective covers is suitable for most standard battery terminals, such as such as boats, cars, trucks, campers, motorcycles, tractors and other electrical equipment. (Please note that a small number of cars may not be able to install them, so please check the size of your battery terminals carefully.)