The Blacklight Zone sells items related to the blacklight culture including both non-blacklight reactive items and blacklight items. Bandana - Skulls - 21" x 21" - Cotton Bandana - Skulls - 21" x 21" - Cotton Wrap your head, wrist, face, waist, or whatever you choose! Great for dogs too. 100% Cotton Washable 21 inches by 21 inches Use as bandanna, handkerchief, scarf, or face covering.