Relieves pain, reduces swelling Unique dual-temp advanced design Medically recommended Stays colder than an ice bag and the attached Velcro strap effortlessly holds it in place. Hypo-Allergenic vinyl Velcro attachments provide compression. Crylon gel stay flexible when frozen. Two layers for insulation. Suggested Use: Step One:After storing in the freezer, place the blue soft side on the injured area for 5 to 10 minutes. Step Two: Flip the universal, placing the white side on the body for 20 minutes for penetrating cold therapy. Repeat every two hours until the pain or swelling is relieved. Universal Adjustments: The white elastic straps is specially designed to use this product almost anywhere on the body. Just shorten or lengthen the strap by adjusting the black hook patch. UPC: 037646101204 Weight: 1.25 lbs