Description This circular marine porthole window, crafted from high-strength materials and tempered glass, provides outstanding durability and protection against harsh sea conditions. Its sleek design enhances the look of any yacht, boat or RV, delivering reliable water and dust resistance for enhanced comfort in marine vessel cabins. Ideal for yacht hatch window upgrades. Features -Color:Black -Material:Tempered Glass, Rubber, Plastic, Stainless Steel -Size:21.50X16.10X9.00cm/8.45X6.33X3.54in -Opening hole diameter:20.9cm -Sturdy build for marine use: engineered with high strength materials, this marine grade boat window for longterm durability against wear, ideal for any yacht hatch window or boat port window -Explosion-proof safety glass: features premium tempered glass that is impactresistant and shatterproof, enhancing the security of your boat skylights window and yacht replacement port window during demanding voyages -Waterproof sealing: precision sealing on this marine porthole window prevents water and dust intrusion, making it the good replacement window for yacht or any round boat window exposed to harsh weather conditions -Universal installation: designed for easy installation, this marine window hatch fits a wide range of vessels, from small marine windows on campers to rv boat hatches, allowing for quick upgrades across models -Modern aesthetic upgrade: the sleek, contemporary style elevates the look of your boat round side window or yacht marine window port, providing a luxurious finish that enhances the value and appearance of your vesselPackage list: 1 x round porthole window