US D448170 S1
FIG. 1 is a side, top, perspective view of the inflatable bladder insert for strap with an air valve thereof shown in phantom;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a front view thereof; and,
FIG. 7 is a rear view thereof.
The broken line phantom showing of air valve is for illustrative purposes only and forms no part of the claimed design.