Extruded Solutions Ultra Cap Seal 23ft (1 1/2" W x 5/8" 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 truck caps or camper shells that weigh over 200 lbs. Fills all 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 this cap seal every time your cap is removed.