- Durable Construction: Made from high-quality, non-toxic rubber, this plug is both environmentally friendly and safe. It boasts impressive toughness, corrosion resistance, and can withstand extreme temperature fluctuations, ensuring long-lasting performance. - Universal Compatibility: Designed to fit any 2 inch x 2 inch (5 cm) trailer receiver tube. Its easy installation makes it suitable for various applications such as trailer couplings and hitches. - Essential Functionality: This robust rubber plug effectively protects your receiver tube from harsh weather conditions. It prevents rain, dust, snow, and ice from entering the coupling tube, significantly reducing the risk of rust and damage. - Hassle-Free Usage: No need for hooks or clamps. Installation is straightforward—simply attach the square ring to the 2 inch tube and insert the cover to complete the process. Applications: 1. Perfect for protecting your trailer during off-season storage, keeping it safe from the elements and ensuring it stays in top condition. 2. Ideal for frequent travelers who use their trailers regularly, providing peace of mind by safeguarding the receiver from dirt and moisture while on the road. 3. Great for securing trailers in varying climates, particularly in regions prone to heavy rain or snowfall. Choose our rubber trailer receiver plug for reliable protection, easy installation, and peace of mind.