Features: The boat storage hatch is suitable for multiple indoor and outdoor environments. Fit for use on various marine applications like ships, yachts, and RV decks. Each inspection hatch comes with pre drilled countersunk holes and mounting screws, allowing for a seamless installation process. Conveniently install these hatches on an interior or exterior flat deck surface to meet your maritime needs. Specifications: Material: ABS Package includes: 3 x Inspection hatch 18 x Mounting screws Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Small items are included, please keep them away from little kids in case of choking risk.