The ornamental design for a poolfloat, as shown and described.
FIG. 1 is a perspective view of a pool float showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an enlarged view of portion 9 shown in FIG. 1; and,
FIG. 10 is an enlarged view of portion 10 shown in FIG. 1.
The broken lines in the drawings depicting the air valve and water gun hose are shown for illustrative purposes and form no part of the claimed design.