Description Designed for yacht port light replacement, this marine cabin window ensures optimal brightness and safety, making RV window replacement and boat hatch replacement simple and efficient, providing long-term reliability for sea vessels and boats. Features -Color:White -Material:Tempered glass, rubber, plastic -Size:21.50X16.00X9.00cm/8.45X6.29X3.54in -Anticorrosion excellence: this boat porthole for cabin and yacht round hatch window at harsh marine conditions -Clear vision: opening round port window and yacht porthole glass provide stunning clarity, transforming interior lighting and outside views -Reliable weatherproofing: builtin gasket seals help this RV marine window and marine opening window withstand winddriven rain, keeping your yacht replacement port window area dry yearround -Quick maintenance: with a simplified structure, both marine boat replacement window minimizing downtime and labor -Modern rounded appeal: circular design of round porthole hatch and marine boat port insert enhances ship aesthetics, giving your vessel a premium, modern profile Sturdy material: this boat porthole cover keeps exceptional corrosion resistance for performance on any yacht or rv vessel Enhanced visibility: hightransparency glass on marine cabin window delivers optimal light transmission, ensuring a bright, open interior in your yacht marine window port Waterproof seal design: featuring an advanced sealing ring, this RV porthole replacement and boat hatch replacement keep your cabin dry, preventing water and wind intrusion efficiently Simple installation: making it user-friendly for boat or rv owners to upgrade their hatch window anytime Sleek round styling: circular boat window boasts a streamlined, elevating aesthetics vessel’s sophistication for round ship porthole installation