Looking for a Perfect Valentine's Gift? Get a set of these Fun Heart-shaped Hot/Cold Gel Pack that will surely soothe any pain your clients are feeling! It is a great remedy for body pains. This pack comes with vibrant colored beads made with a mixture of glycerin and water. These beads are non-toxic in nature. This pack is also freezer and microwave safe for a hot or cold compress experience. Create a customize design for your brand on its large imprint area. Direction on how to use are imprinted on the back of each item. Note: Some transparent packs may have a yellow tint due to the varying temperature and chemical reactions.