From spas to salons, getting your brand out there is easy with this square gel beads hot and cold pack! It's both microwave and freezer safe for easy heating and cooling. The mask contains plush gel beads and can be microwaved for 30 seconds for 90 minutes of heat or frozen for 3 full hours of cold compress. It's reusable and non-toxic and will not shatter when dropped. Instructions are printed on the reverse side. CAUTION: product will be HOT after microwaving. Condensation may potentially cause bubbling until cool.