Neck Cooling Ring Cooling for Hot FlushesNECK COOLING RING Instant Cooling Comfort Hands Free Reusable One size Fridge or freezer ready No batteries required By myzac Founded by a Registered Nurse. Cool down instantly. Hands free. Whenever you need it. The myzac Neck Cooling Ring delivers an instant cooling sensation right where you feel it most. Lightweight, reusable, and comfortable to wear simply chill it, put it on, and feel the difference. No batteries. No fuss. Just cool, comfortable