2-PIECE SET: (2) hot/cold reusable gel pack. Gel pack measures 8” x 6” Fight pain with soothing heat and therapeutic cold REUSABLE: Use the gel pack over and over either hot or cold. HOT AND COLD: Versatile compress can be used both for hot or cold therapy. COLD COMPRESS USE: To use cold keep it in the freezer. Cold therapy helps reduce inflammation and blood flow. Best for first-aid, reduce fever, reducing swollenness, bruises, or inflammation. Also effective for recovering from sprains, surgery, migraine, tendonitis or hysterectomy. HOT COMPRESS USE: To use hot simply put it in the microwave for a few seconds. Hot therapy helps increase the circulation of an affected area. Ideal for cramps, stiff or aching joints & muscles, back and neck pain, toothache and sinus relief. GENTLE ON YOUR BODY AND SKIN: Soft clouth texture on one side, gentle on the skin, round edges prevent from scratching skin. High quality materials prevent water from leaking and wetting the skin. Remains pliable to allow coldness to penetrate wherever you need it, perfectly molds to aches and pains on your body. Reliefs pain without mess, ointments or pills. STAYS COLD: Our gel is designed to stay ice cold for 10 minutes as recommended by doctors. VERSATILE: Perfect size (8"X6") contour smoothly to face, neck, arm, wrist and other body segments to treat bruises, sprains, strains, swellings and inflammations. Great for acute & chronic pain relief, sports injuries, muscle stiffness, post-surgery and menstrual cramps.