This tailpan from Engineering & Manufacturing Services fits under the trunk lid from the edge of the lid and rolls completely under the body.  It comes completely detailed with bottom flange, weather-strip channel, and correct body lines.  It is full (fender to fender) width.  Die-stamped in the USA of 18-gauge steel (same as original).  Fits all 1937 Standard and Deluxe Flatback Sedans.