Features: Made of durable ABS plastic, this hatch cover is resistant to aging, corrosion, and UV damage, making it ideal for long-term use in harsh marine environments. Reinforced design with a non-slip surfaces. Ideal- for access to the various storage areas on board and for inspection of fuel lines, electrical cable, gauges and controls as well as access to the engine. The tight rubber O-ring creates a watertight seal that prevents water leakage. Upgrade your boats safety and functionality with this high-quality deck inspection hatch cover, available in a range of sizes and colors to suit your needs. Specifications: Material:ABS Color:Black,White Size:4inch,6inch,8inch Package Includes: 1x Deck Inspection Cover note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.