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HeatWraps - Lower Back & Hip Description from Thermacare
Of all the heat patches for back pain out there, only ThermaCare Back Pain Therapy HeatWraps are clinically proven for pain relief, and increase blood flow to help accelerate healing. They're portable and deliver 8 hours of continuous, real therapeutic heat and keep relieving pain for an additional 8 hours after you take them off. Ordinary heat patches for back pain merely create an artificial sensation of heat.

In fact, the American College of Physicians (ACP) recommends real heat as a first defense against lower back pain. A review of studies found that applying therapeutic heated back wraps could provide significant relief for those with acute lower back pain. Available in two sizes, these single-use heating wraps for back are designed to provide pain relief at home or on the go.

Drug Free - Odor Free
Each heat cell contains iron (2 grams)

Size S-M: Women's Pant Size - Up to size 8; Men's Pant Size - Up to 34-inch waist

Manufacturer's Directions
-Tear open pouch when ready to use.
-Place on pain area of lower back or hip with darker heat cells towards skin.
-If 55 and older, wear over a layer of clothing, not directly against your skin
-It may take up to 30 minutes to reach therapeutic temperature.
-Adjust for comfort. Do not over-tighten.
-Wear up to 8 hours. Do not wear for more than 8 hours in any 24-hour period.
-Place wrap flat. Do not fold or bunch as your risk of burn is increased.
DO NOT MICROWAVE or attempt to reheat as wrap could catch fire

Manufacturer's Disclaimer
THIS PRODUCT CAN CAUSE BURNS.
55 or older: YOUR RISK OF BURNING INCREASES AS YOU AGE. WEAR THERMACARE OVER A LAYER OF CLOTHING, NOT DIRECTLY AGAINST YOUR SKIN. DO NOT WEAR WHILE SLEEPING. CHECK SKIN FREQUENTLY DURING USE. IF YOU FIND IRRITATION OR A BURN, REMOVE PRODUCT IMMEDIATELY
Do not use: if heat cell contents leak and/or wrap is damaged or torn; for more than 8 hours in a 24-hour period; with pain rubs, medicated lotions, creams or ointments; on unhealthy, damaged or broken skin; on areas of bruising or swelling that have occurred within 48 hours; on areas of the body where you can't feel heat; with other forms of heat; on people unable to remove the product, including children, infants, and some elderly; on people unable to follow all use instructions
Ask a doctor before use if you have: DIABETES; poor circulation or heart disease; rheumatoid arthritis; or are pregnant
Keep out of reach of children and pets.