Imprint Option: Imprinted - Ensure your next promotion is well rounded with our circle shaped hot/cold packs. Help soothe aches and pains with this circular pack. Filled with vibrant color gel beads, our packs can be used as both a hot and cold compress. Easy to use, this item moves seamlessly from freezer to microwave and can be used again and again. Our TekBeads are filled with a non-toxic, pliable blend of water and glycerin. Instructions for use are printed on the back of each item. Ideal for Dentists, Orthodontists, Nurse's Offices, clinics and more. Please note that the clear packs may have a yellow tint due to the temperature/chemical reaction.