This large Supele porthole marine liner is made from oak with a wooden ring material trim capping. Manufactured in the UK, this porthole is perfect for adding a touch of authenticity and style to any narrowboat or ship. The oak material gives it a durable and timeless look, while the trim capping adds a sleek and polished finish. Ideal for those looking to enhance their marine vessel with a high-quality and authentic product. For a 9 1/2inch glass porthole. Please see photos for sizes.