Description: Versatile Elliptical Porthole: This oval shaped porthole is great for boats, yachts, RVs, and industrial vehicles. Its unique design adds a touch of elegance to your vehicle while providing functionality.ABS Construction: Made with sturdy ABS material, this porthole is designed to resist aging and sun. It ensures long term use even in harsh marine environments.High Strength Tempered Glass: The window port features 4mm (0.15 inches) thick tempered glass that offers high strength and clear. Its good resistance makes it ideal for various applications.Waterproof Seal: Comes with wear resistant synthetic accessories and a waterproof rubber seal to prevent water ingress and ensure the longevity of the product.Easy to Click Structure: Porthole has an easy to click structure where two parts can be loosened allowing you to open the window easily when needed. Specification: Color: White Material: ABS Size Chart: 33.8cmx14.5cm or 13.31inchx5.71inch Package Includes: 1 BoatPorthole Note: Please allow slightly errors 1-2cm differences due to manual measurement.