6inch Hatch Cover Deck Plate Bag With Screws for Marine Boat KayakDescription:Non-toxic anti-agingManufactured of high quality ABS material for long lifeConvenient to install, twist/screws out easilySpecial design with the red waterproof bag, more safety and usefulThese Hatch Covers help to reduce UV damage to your hatch as well as minimize the light entering your boat Specification:Material: PC(Polycarbonate)+ABS(Acrylonitrile Butadiene Styrene)Color: Black, redOuter diameter: Approx 205mmInner diameter: Approx 156mmHeight: Approx 38mmNote: Please allow 1-2mm errors due to manual measurement. Package Included:1 X Deck plate8 X Screws