Promotional First Aid, Gel Beads Hot Cold Pack Square - Reusable, Some like it cold and some like it hot, but when it comes to taking care of sore spots, this square shaped hot cold pack will do both This ingenious new bead pack is filled with gel peas that mold to your body with ease It can be used over and over - simply microwave for hot or freeze for cold (detailed instructions are printed on the back of each one) It's a perfect promotional item for hospitals, doctor's offices, health fairs, clinics and much more It may present a choking hazard to children under 3 years of age. ... #38053 $1.15/each.