Spa shell

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

FIG. 2 is another perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross-sectional view thereof, taken in the direction of line 4 - 4 of FIG. 3 ;

FIG. 5 is a cross-sectional view thereof, taken in the direction of line 5 - 5 of FIG. 3 ;

FIG. 6 is a cross-sectional view thereof, taken in the direction of line 6 - 6 of FIG. 3 ;

FIG. 7 is a cross-sectional view thereof, taken in the direction of line 7 - 7 of FIG. 3 ;

FIG. 8 is a cross-sectional view thereof, taken in the direction of line 8 - 8 of FIG. 3 ; and,

FIG. 9 is a cross-sectional view thereof, taken in the direction of line 9 - 9 of FIG. 3 .

The broken lines show portions of the spa shell that form no part of the claimed design.