Usage Tips:Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Tailored for Standard 4 inch Square Bumper Storage - These RV bumper end caps are precisely designed to snugly fit the standard 4 inch square bumper storage area, ensuring a secure enclosure for your sewer hose. Built to Last - Crafted from robust and durable plastic materials, these RV bumper end caps offer exceptional longevity. They are designed for enduring use on your RV, camper, or travel trailer. Enhanced Ventilation and Removal - The end caps come with a strategically placed square hole in the middle, allowing efficient air ventilation. This design not only promotes proper airflow but also simplifies the removal process. Conveniently Packaged - Each package includes packs of 4 inch Bumper Plug End Caps, making them a convenient addition to your RV accessories. These caps are each equipped with a square vent hole for added ease of use. Color: As shown Material: plastic Package Contents: 4 x RV Bumper End Cap 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.