1. High-Quality Material: This RV rectangular porthole is made of tempered glass and plastic material, making it strong, durable, and resistant to damage. You don't have to worry about product quality issues. 2. Easy Installation: The two joints of this yacht porthole can be loosened, allowing for easy swinging and opening. With its low-profile hatch design, it can be effortlessly mounted on internal or external flat surfaces. 3. Wide Range of Usage: This rectangular tempered glass porthole is suitable for installation on yachts, RVs, or industrial vehicles. It meets diverse needs and adds convenience to your lifestyle. 4. Perfect DIY Decor: This tempered glass porthole is ideal for themed decor, including pirate-inspired rooms. It enhances creative interior design projects. Color: Black Material: Plastic + Tempered Glass Package Contents: 1 x RV Porthole Port Hole Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.