These adorable Hot & Cold Eye Pads are perfect to reduce puffiness, dark circles or just for some nice relaxation. They're ideal for relieving migraines, stress-related tensions, sinus pain, and heat exhaustion. For Warm Use – place in a clean microwave for 5-second intervals until desired warmth is reached.For Cold Use – place in the freezer for a minimum of 30 minutes until desired coolness is reached.