Features: 1. Trailer Rubber Door Holder: Provides protection for RV trailers, including doors and windows, helping to reduce impact and prevent damage to the door or body. 2. Premium Materials: Constructed from high-quality rubber and metal materials, offering durability, resistance to aging, cracking, and deformation, for long-lasting trailer protection. 3. Multi-Functional Use: Designed to secure RV doors, boat doors, enclosed trailers, and horse trailer windows, reducing impact when opening and minimizing movement in windy conditions to help prevent damage. 4. Wide Compatibility: Fits most RVs, horse trailers, and boat doors, helping to keep windows open and providing reliable protection across various trailer types. 5. Long-Lasting Protection: Offers durable performance by reducing impact, preventing damage, and enhancing stability during travel and everyday use. Specifications: Item Type: Trailer Door Holder Kit Material: Rubber Application: Secures RV doors, boat doors, enclosed trailers, and horse trailer windows; reduces impact when opening, acts as a window bumper, and helps prevent wind-induced shaking to protect the door and body Fitment: Compatible with most RVs, horse trailer windows, and boat doors to keep windows open Package List: 4 x Trailer Door Holder Kits (16 Pcs in Total)