2 Pairs. Thermoeyes ™ Microwaveable Beads™: Enhance hot and cold treatments. Made from glycerin, the beads heat up in hot water. Use a microwave or other source to heat water, let them sit for a minute, remove and insert into Tranquileyes™ goggle and wear. Enjoy 15-18 minute warm compresses with ease repeatedly. Beads can also be used to create refreshing 15-30 minute cold compresses to reduce inflammation and puffiness.