All-Star Catalyst Cryoscarf Reusable Cooling Scarf Long-lasting, reusable, cooling neck wrap with Velcro closure Excellent for heat management and pain relief Applying ice to the neck or forehead offers migraine relief for many users Includes insulated carrying sleeve Frozen cold packs stay cold longer than many other cooling products Adult size fits neck sizes 16.5" and larger. Youth size fits neck sizes 16" and below.