1、High quality material, impact and corrosion resistant, strong and durable. 2、Lightweight and portable to carry, convenient to use. 3、Convenient to install and remove easily. 4、Special design on the surface, anti-slip and easy to screw the cover off. 5、Can prevent water from seeping inside your kayak. Features: 1. High quality material, impact and corrosion resistant, strong and durable. 2. Lightweight and portable to carry, convenient to use. 3. Convenient to install and remove easily. 4. Special design on the surface, anti-slip and easy to screw the cover off. 5. Can prevent water from seeping inside your kayak. Specifications: Condition: 100% Brand New Item Type: Kayak Marine Cover Material: Plastic Color: As Pictures Shown Diameter: 19.5cm/7.68in(Approx.) Package List: 1 * Seal Hatch Cover (6inch is the opening size for kayak) Notes: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.