Your patients will love this heart-shaped favor! This Heart Gel Bead Hot / Cold Pack is both reuseable and non-toxic. It can be heated in the microwave or cooled in the freezer. The beads keep the pack flexible with cold. A great promotional item for the health care industry, customize this 4" x 4 1/2" heart-shaped souvenir with a full color imprint of your company name and logo for maximum brand exposure. This product comes individually poly-bagged with instructions.