Extruded Solutions Premium Cap Seal XL 23ft (2" W x .200" H) and Ultimate Tailgate Seal with Taper Seal COMBO Pack Includes 2 seals, butyl tape, alcohol pads and detailed instructions. 23ft EPDM Rubber seal for mounting a truck cap or camper shell that weighs 200 lbs or less. Fills small to medium bed rail gaps. 10ft Ultimate Tailgate Seal with Taper Seal for the tailgate gap and sidewalls. High quality, long-lasting EPDM rubber seals are preferred by professional installers over PVC/foam seals Excellent compression set resistance for maximum service life and vibration absorption No need to replace these seals every time your cap is removed.