【High-quality material】: This trailer cover is made of rubber, strong and durable, scratch-resistant and wear-resistant, and not easy to break. Even after long-term use, it maintains good elasticity, providing protectionmore durable to the ball joint of your tow bar. 【Protection】: The trailer cover can provide good protection. A properly fitted 2 inch receiver trailer cover prevents mud, dirt, dust, rain, snow, ice and critters from entering the tube, preventsrust from the receiver tube, prevents blockages and keeps the tube clean. 【Easy to install】: The trailer cover is designed to provide you with maximum convenience. Installation is very simple. Simply attach the square ring to the 5 cm tube and insert the cap section to complete the installation. A strongfriction will hold it firmly in place. The whole process requires no tools. Compatibility: This trailer cover fits any 2" x 2" trailer receiver bar, commonly used in most class 3, 4, 5 tow bar covers and can be used with most