The ornamental design for an inflatablezebrafloat, as shown and described.
FIG. 1 is a front perspective view of an inflatable zebra float showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The showing of evenly-spaced broken lines is included for the purpose of illustrating environmental structure and forms no part of the claimed design. The broken lines crossing into claimed areas represent surface indicia that does not for part of he claimed design. Features on lower surfaces and surrounded by broken lines form no part of the claimed design.