Specifications:

5" x 10" (12.7 x 25.4cm)

To heat, submerge in hot water for approximately 15 minutes or in microwave oven for 2 minutes heating.

For cold therapy, freeze for at least one hour.

Gel packs can reach a high of 140 degrees Fahrenheit and a low of 10 degrees Fahrenheit.

Both last for approximately 30 minutes.

These reusable packs remain soft and pliable even after freezing and are easily cleaned with soap and water.

Made of fabric.