Trailer Hitch Cover, Trailer Hook Dust-Proof Plug, Square Mouth Protection Cover, Tow Hitch Covers Plug Insert Receiver Tube Cover Cap Fit for 2 Inch Hitch Receivers (Red)Color: redAbout this item 【HIGH-QUALITY MATERIALS】This is constructed from heavy duty rubber and aluminum, tough and durable, not easily tear, moisture-proof, corrosion resistance, not easy to deform. 【WIDE COMPATIBILITY】Product size is 1.9"D x 3.1"W x 1.9"H. This trailer cover is suitable for most cars, trucks, and trailers. Our hitch plug is designed to fit tightly and stay firmly and never fall off. 【FUNCTION】Keep your trailer hitch receiver tube protected and clean against water, debris, dirt and rust when not towing and better protect the trailer pipe and the trailer bottom. 【EASY TO INSTALL】Just fit it into the hitch receiver and push it into place. It's that simple! But the premise is you must find the position of the trailer hook, many car designs are under the bumper. Dimensions: 1.9"D x 3.1"W x 1.9"H.