Tape cassette mailing case
FIG. 1 is a top plan view of a tape cassette mailing case showing my new design; 
     FIG. 2 is a rear elevational view thereof; 
     FIG. 3 is a left side elevational view thereof; 
     FIG. 4 is a right side elevational view thereof; 
     FIG. 5 is front elevational view thereof; 
     FIG. 6 is a bottom plan view thereof.