Straw cap

FIG. 1 is a top, right side perspective view of a new, original and ornamental design for a straw cap, a nozzle of the straw cap in a closed position and a strap of the straw cap in an upright position;

FIG. 2 is a front elevation of FIG. 1 ;

FIG. 3 is a rear elevation view of FIG. 1 ;

FIG. 4 is a left side elevation view of FIG. 1 ;

FIG. 5 is a right side elevation view of FIG. 1 ;

FIG. 6 is a top plan view of FIG. 1 ;

FIG. 7 is a bottom plan view of FIG. 1 ;

FIG. 8 is a top, right side perspective view of the straw cap, the nozzle of the straw cap in an open position and the strap of the straw cap in folded down position;

FIG. 9 is a top, left side perspective view of FIG. 8 ; and,

FIG. 10 is a top perspective view of FIG. 8 .

The broken lines in the drawings depict portions of the straw cap that form no part of the claimed design.