This is the original COAX-SEAL connector sealant! 1" wide x 3/32" thick, 4 rolls of 12 feet (48 feet total) long peel-away paper backing. Stays flexible at any temperature Permanent-Long COAX life - provides years of protection Helps to insure low SWR Forms and seals over odd shapped and difficult fittings Fast-easy seal for all antenna connections Non-Contaminating Non-Conductive Trusted by the U.S. Navy, Cisco Sytems, and others!