Feature:1. The marine hatch cover is made of high quality ABS material, which is very durable.2. This hatch cover is light and portable, easy to carry around, easy to install and remove.3. The marine hatch cover has a special design of the red waterproof bag, more safe and practical.4. The hatch cover helps reduce UV damage to the hatch cover and minimizes the light entering the vessel.5. The outer diameter of the canoe cover is 205mm; the inner diameter of the inner ring is 153mm, and the height is 32mm.Specification:Item Type: Hatch CoverMaterial: PC + ABSColor: BlackProduct Size: Outer Diameter Approx. 205mm/8in; Inner Ring Inner Diameter Approx. 153mm/6in, Height Approx. 32mm/1.2in.Package List:1 x Hatch Cover8 x ScrewNote:Please allow 12cm/0.30.7in error for manual measurement.