Top your favorite drink or Refillable Mug with a little something extra special! Straw Toppers are easy to clean by hand, but NOT dishwasher safe. * Listing is for one straw topper. * Hole in center is 9mm. * Does not fit Stanley Cup Straws. * CUP, STRAW OR MUG NOT INCLUDED. Do not expose to extremely high temperatures as plastic will soften and distort.