Features: Universal Speaker Fitment Enclosures Constructed of High Quality ABS Plastic External 1 inch Mounting Flange Smooth non textured Finish Includes Rubber Gaskets Easy Installation Applications: Cars & Trucks Boats UTVs RVs Installation Options: Door Panels Kick Panels Under Dash Rear Deck Overhead Special Note: Speakers are not included with purchase. Returns will not be accepted for returns modified after purchase. For a airtight seal on these you can use clacking around the flange. No installation hardware is included- the speaker mounting hardware is typically provided with a new set of speakers. The hardware for mounting the flat flange of the pod will very depending on mounting location and type of Material that it is being mounted too.