The ornamental design for a Holder for feeding bottle sterilizer, as shown and described.
FIG. 1 is a front perspective view of the holder for feeding bottle sterilizer;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left view thereof;
FIG. 5 is a right view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a reference view showing the state of use in which the claimed design is inserted into a feeding bottle sterilizer.
FIG. 8 shows the holder for feeding bottle sterilizer in a state of use, wherein the broken line depicts environmental subject matter which forms no part of the claimed design.