FIG. 1 is a first perspective view of a bib showing our new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a first elevational view thereof;
FIG. 4 is a second elevational view thereof;
FIG. 5 is a third elevational view thereof;
FIG. 6 is a fourth elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a first perspective view of a bib showing our new design, according to a second embodiment of the design;
FIG. 10 is a second perspective view thereof;
FIG. 11 is a first elevational view thereof;
FIG. 12 is a second elevational view thereof;
FIG. 13 is a third elevational view thereof;
FIG. 14 is a fourth elevational view thereof;
FIG. 15 is a top plan view thereof;
FIG. 16 is a bottom plan view thereof;
FIG. 17 is a first perspective view of a bib showing our new design, according to a third embodiment of the design;
FIG. 18 is a second perspective view thereof;
FIG. 19 is a first elevational view thereof;
FIG. 20 is a second elevational view thereof;
FIG. 21 is a third elevational view thereof;
FIG. 22 is a fourth elevational view thereof;
FIG. 23 is a top plan view thereof;
FIG. 24 is a bottom plan view thereof;
FIG. 25 is a first perspective view of a bib showing our new design, according to a fourth embodiment of the design;
FIG. 26 is a second perspective view thereof;
FIG. 27 is a first elevational view thereof;
FIG. 28 is a second elevational view thereof;
FIG. 29 is a third elevational view thereof;
FIG. 30 is a fourth elevational view thereof;
FIG. 31 is a top plan view thereof;
FIG. 32 is a bottom plan view thereof;
FIG. 33 is a first perspective view of a bib showing our new design, according to a fifth embodiment of the design;
FIG. 34 is a second perspective view thereof;
FIG. 35 is a first elevational view thereof;
FIG. 36 is a second elevational view thereof;
FIG. 37 is a third elevational view thereof;
FIG. 38 is a fourth elevational view thereof;
FIG. 39 is a top plan view thereof;
FIG. 40 is a bottom plan view thereof;
FIG. 41 is a first perspective view of a bib showing our new design, according to a sixth embodiment of the design;
FIG. 42 is a second perspective view thereof;
FIG. 43 is a first elevational view thereof;
FIG. 44 is a second elevational view thereof;
FIG. 45 is a third elevational view thereof;
FIG. 46 is a fourth elevational view thereof;
FIG. 47 is a top plan view thereof; and,
FIG. 48 is a bottom plan view thereof.
The even-dash broken lines shown in the drawings depict features that form no part of the claimed design. The dot-dash broken lines shown in the drawings represent the boundaries of the claim and form no part of the claimed design.