Super Cap Seal 23 FT (1 1/2" Width x 1/2" Height x 23' Length) EPDM Rubber 23ft for mounting truck caps and camper shells that weigh 200 lbs or less. Fills all bed rail gaps. Complete kit includes seal, putty tape, alcohol pads and detailed instructions. High quality, long-lasting automotive grade EPDM rubber. Preferred by professional installers over PVC/foam seals. Excellent compression set resistance for maximum service life and vibration absorption No need to replace this seal every time your cap is removed.