Window Felt Kit: 55-57 Chev / Pontiac 4 Dr Post SEDAN - Auth.A best quality USA made Authentic Window Felt kit for the 4 door post sedan cars. 1955 57 Chev, & Pontiac POST SEDANS. If you wanted to do the window felts right the first time.. this USA made 10 pce kit is the premium made kit.. for the 55 57 Chevy Bel Air 4 door SEDAN. Contains the horizontal inner and outer felts for front and rear doors on the POST sedans. If trying to figure what you NEED V's costs.. this is the correct authentic material Finish