Custom-Made for Standard 4-Inch Square Bumper Storage: These robust RV bumper end caps are designed to fit standard 4-inch square bumper areas. They provide a secure and snug enclosure for your sewer hose, helping to keep it organized and protected during travel. Secure Tabs for Traveling Convenience: Each bumper end cap features sturdy tabs that allow for secure attachment to your trailer's bumper. This helps prevent the sewer hose from shifting or coming loose while on the road, making them a practical accessory for travel trailers and campers. Built to Stand the Test of Time: Made from strong and durable plastic material, these bumper end caps are built for long-term use. They are designed to withstand outdoor conditions and provide reliable performance for your RV or travel trailer. Intelligently Designed for Better Ventilation & Easy Removal: Featuring a centered square vent hole, these end caps allow for improved airflow. This design also makes it easier to remove the cap when needed, enhancing overall convenience. Convenient Pack with Multiple Advantages: Each cap includes a 1-1/8 inch square vent hole to support airflow and ease of use. This set is designed to make RV storage more efficient and hassle-free. Material: Plastic Color: Black Package Contents: 2 x Cover Note: Light reflection and different displays may cause slight variations in color compared to the actual item. Measurement may vary by +/- 1-3 cm.