High quality: Made of durable ABS plastic that is not easily broken and can also be used as a small bumper when parking. More Protection: With excellent abrasion, corrosion and grease resistance, your clothes won"t be easily stained when you handle them. Easy to use: just slide the strap ring and place the cover over the tow ball. The cap is just as easy to remove and the strap keeps it from getting lost. Versatility: The hitch ball cap is designed to fit the standard 50mm hitch ball. Scope: suitable for trucks, semi-trailers, cars, boats, etc. Specification: Material: Plastic Size: 7CM*6CM*6CM Applicable size: 50MM Color: Black Helps trap grease on the tow ball when used with a standard hitch. Protect your tow ball with this handy cover. The car ball cover will stay in place permanently. It is compatible with the hitches of most vehicles. Package includes: 3 x Trailer hitch protection cover