Balloon sealing device
FIG. 1 is a perspective view of a balloon sealing device showing my new design; 
     FIG. 2 is a top plan view thereof; 
     FIG. 3 is a bottom plan view thereof; 
     FIG. 4 is a front elevational view thereof which is identical to a rear elevational view thereof; and, 
     FIG. 5 is a right side view thereof which is identical to a left side view thereof.