With Our Original Aqua Pearls, your customers will receive the very best hot/cold pack! It is the same hot/cold pack carried by America's leading drugstores. The innovative "Pearl Bead" technology delivers warm and cold therapy without leaks or mess - simply place it in the microwave or freezer to achieve the temperature you desire. Easily clean this pack with mild soap and water to use it again. Choose from a variety of shapes and colors! Toxicological Risk Assessment reports for gelbeads are available upon request.