Here's a promotional item that is sure to "heat" up your next marketing campaign! The Gel Bead Hot/Cold Pack can be heated in the microwave or cooled in the freezer. Measuring 4" x 4", this product is reusable and non-toxic. The beads keep the pack flexible when cold. An ideal giveaway for athletes or health care events, this item has a large section for imprinting your company name or logo. Be sure to order yours today.