From spa promotions to corporate health campaigns, nothing beats the thermal power of this Overseas Renew hot and cold pack! This therapeutic heat pack is a great way to sooth sore muscles - simply place is in the freezer for use as an ice pack and into the microwave for hot pack use. This pack is reusable and made of non-toxic materials and will not shatter when dropped, allowing you to give it out at tradeshows, medical offices, physical therapy or gyms in confidence. Add an imprint of your organization's name, logo and advertising message. Instructions are printed on the back of each piece.