6'8 sizing

ORDER SIZE
1'-6" (18") x 6'-8" (80") x 1-3/4"
2'-0" (24") x 6'-8" (80") x 1-3/4"
2'-4" (28") x 6'-8" (80") x 1-3/4"
2'-6" (30") x 6'-8" (80") x 1-3/4"
2'-8" (32") x 6'-8" (80") x 1-3/4"
3'-0" (36") x 6'-8" (80") x 1-3/4"