FIG. 1 is a perspective view of a sleeve showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a front elevational view thereof, shown in environmental use wherein an electronic device being placed into the sleeve;

FIG. 9 is a front elevational view thereof, showing an electronic device inserted therein;

FIG. 10 is a front elevational view of the sleeve in FIGS. 1–7 having a green color designation;

FIG. 11 is a front elevational view of the sleeve in FIGS. 1–7 having a blue color designation;

FIG. 12 is a front elevational view of the sleeve in FIGS. 1–7 having a red or pink color designation;

FIG. 13 is a front elevational view of the sleeve in FIGS. 1–7 having an orange color designation;

FIG. 14 is a front elevational view of the sleeve in FIGS. 1–7 having a purple color designation;

FIG. 15 is a front elevational view of the sleeve in FIGS. 1–7 having yellow color designation;

FIG. 16 is a front elevational view of the sleeve in FIGS. 1–7 having black color designation;

FIG. 17 is a front elevational view of the sleeve in FIGS. 1–7 having white color designation;

FIG. 18 is a front elevational view of the sleeve in FIGS. 1–7 having gray or silver color designation; and,

FIG. 19 is a front elevational view of the sleeve in FIGS. 1–7 having a transparent or semi-transparent designation.

The broken lines immediately adjacent to the shaded areas represent the boundaries of the claimed design. The broken lines environment forms no part of the claimed design. None of the broken lines form part of the claimed design.