Using a thick Black pen or Koki write the assigned 5 digit number on the paper provided or print the assigned 5 digit number on a printer. Insert paper into plastic pocket. Paper size is 12cm x 5cm.
The Armband can be wrapped around the Left arm or the top of the left boot. Check rules for region.
Hand wash in cold water. Remove paper before washing. Do not bleach. Do not iron on the plastic.