Custom-Made for Standard 4-Inch Square Bumper Storage: These robust RV bumper end caps have been meticulously designed to perfectly fit the normal 4-inch square bumper storage regions. They provide a secure, snug enclosure for your sewer hose, brilliantly elevating the efficiency of your RV or camper & ensuring proper storage. Secure Tabs for Traveling Convenience: Every bumper end cap in this camper equipment set boasts sturdy tabs for affixing securely to your trailer's bumper. This design prevents your sewer hose from dislodging during travel or transit, making these end caps an Perfect and necessary accessory for all travel trailers & campers. Built to Stand the Test of Time: Manufactured from the strong, long-lasting material, these bumper end caps are virtually indestructible. They promise exceptional durability, designed with a special focus on endurance. Aiming to provide unsurpassed service life on your RV, camper, or travel trailer. Intelligently Designed for Better Ventilation & Easy Removal: Crafted with a distinctive square hole in the center, these end caps enable quick and easy air ventilation. This strategic design not only facilitates better airflow but also significantly simplifies the removal procedure, enhancing your RV experience. Convenient Pack with Multiple advantages: offering convenience & value. Each cap comes with an innovative 1-1/8 inch square vent hole, adding to the ease of operations. Every road trip you take with your RV or camper just got easier and more efficient. Material: plastic colour: Black Package Contents: 2 x cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.