2pcs RV Bumper Cap Cover, Aluminum Square Bumper Plug End Caps Fits Standard 4-Inch Square Camper Bumpers, Vent Holes Sewer Cap for Parts and

【PROFESSIONAL DESIGN】Safety pins prevent the cover from opening while the RV is moving and prevent the drain hose from falling out of the bumper. Small ventilation holes can effectively ventilate and double as an insec-t net. 【Quality Material】 this bumper cap is weatherproof, rust-resistant, and built to last, providing long-term outdoor protection for your storage tube and sewer hose. 【Function】Using this bumper cover prevents the drain hose from falling out of the bumper and being dragged causing damage while the RV is moving. 【Easy Installation】 Snap the bumper cover onto the ends of the RV bumper, tighten the screws, then insert the pins to complete the installation and pull out the pins when you need to open it. You can attach the matching non-slip rubber pads to the inside of the cover bezel for a better fit before using. 【Universal】Square bumper end caps fit most metal 4 inch square bumper ends and hide sewer hoses.