You are buying one RARE NOS 1970 1970 1/2 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 Corvette door glass anti-rattle cushion. This is an original GM NOS part see photos. The shipping cost include some of the ebay,pay pal and handling costs .After you receive this part and if there is a problem please contact me prior to leaving me a negative feedback so we can resolve the problem.Thank You.