Keep square tubing ends neat and protected with these rubber bumper plug end caps. Designed for 4 square tube applications on RVs, campers, and trailers, this 2 pack provides a simple, durable solution to cover exposed tube ends and finishing points. Key benefits Protects tube ends from dirt and moisture buildup and helps reduce interior corrosion risk by blocking entry points. Provides a clean, finished appearance to exposed square tubing on RVs, campers, and trailers. Flexible rubber construction cushions contact and reduces wear on tubing edges and attached components. Easy pushin installation; no tools or adhesives required for most installations. Removable for inspection and replacement without altering the tubing. Features and specifications Designed for 4 square tubing commonly found on RVs, campers, and trailers. Material: durable flexible rubber for longlasting elasticity and resistance to cracking from regular outdoor exposure. Pack of 2 covers, allowing replacements or multiple locations. Secure friction fit holds the cap in place while remaining easy to remove when needed. Typical applications Cover and protect the open end of a 4 square bumper tube on an RV or trailer to reduce dirt entry during storage. Cap exposed square tubing on a camper ladder, cargo carrier, or accessory mount to prevent snagging on clothing and equipment. Finish the ends of frame extensions or railings to improve appearance and reduce abrasion when loading gear. What you get Two rubber bumper plug end caps designed for 4 square tubing. Simple, effective protection and a clean finished look for a variety of RV and trailer applications.