Relief yourself of the aches and pains after a long work out with the help of this Hot/Cold Therapy Gel Pack! It is reusable, pliable and is non-toxic and latex-free. Chill this item in the freezer or place it in the microwave to achieve the temperature you desire. The instructions and ingredients printed on the back of each gel pack. This item can also be customized with your logo to make it a great giveaway for health and fitness expos! Colors: Blue, red, green, purple, black and clear. Imprint Area: 3"w x 2"h.