1. Sturdy Material Made of high quality and durable ABS plastic. It has excellent properties, high strength, good toughness, anti ageing, UV protection and good heat resistance. Even if exposed to sun for a long time, it will not easily deform and become brittle. Excellent corrosion resistance makes it durable in rain and seawater environments. The high shock resistance also allows installation in places that are exposed to strong kicks, such as ship decks. 2. Anti slip Design The circular, non slip inspection hatch is equipped with a square, concave convex surface, which is non slip and wear resistant to prevent people from falling off. It also gives people a luxurious visual effect and a comfortable feeling. Polish and cut carefully, smooth them and do not cut your hands. 3. Easy to install and use This removable round deck plate is easy to install. It has a removable design, no need for professional installation skills and complicated tools. Old devices can be replaced directly. 180° opening flaps, independent cover and chassis that allow vertical or horizontal installation and a wider range of applications. It comes with 6 screws, which can be easily attached and removed. 4. Excellent Sealing Performance The round, non slip inspection hatch inside the boat with rubber sealing ring and thread ensures better sealing performance of the boat hatch deck plate. It has a better waterproof and dustproof effect.