• ADDITIONAL 9 CM WIDTH TO THE FOLLOWING DIMENSIONS WHEN STRETCHING THE HIDDEN TIRE DETAIL 40 NUMBER- 45 CM + 9 CM EXTRA STRETCH 39 NUMBER- 44 CM + 9 CM EXTRA STRETCH 38 NUMBER- 44 CM + 9 CM EXTRA STRETCH 37 NUMBER- 43 CM + 9 CM EXTRA STRETCH 36 NUMBER- 42 CM + 9 CM EXTRA STRETCH BASE LENGTH: 6CM BASE SEAM & NON-SLIP BASE SIDE ZIPPER DETAIL