3M Nexcare Cold Heat Therapy Pack Classic is a thermal gel pad for natural heat or cold relief. The gel is safe and non-toxic and 99% biodegradable. Cold helps reduce swelling, inflammation, and pain. Heat helps to reduce pain and muscle tension, it relaxes and relaxes. Dimensions: 11cm x 26cm. Comes with a protective case. Read the manual carefully before use. Cold preparation: Place the gel pad in the fridge or freezer for at least 2 hours before use. The gel pad is always ready to use when stored permanently in the fridge or freezer. When applying to the skin, always place the gel pad in the pouch provided or in a clean towel. Leave on for no longer than 20 minutes. Wait 20 minutes before reapplying the cold pack. Preparation a chaud :Hot water: Bring water to a boil and remove from heat. Immerse the gel pad in boiled water (note the temperature) for 60 seconds. Carefully remove the gel pad from the hot water. Knead it to evenly distribute the heat. Microwave: Place the gel pad flat in the microwave, set to 640W and heat for 2 x 30 seconds. Carefully remove the gel pad from the microwave. Knead it to evenly distribute the heat. When applying to the skin, always place the gel pad in the pouch provided or in a clean towel. Use the pillow as long as it does not cause any discomfort. Warm the pillow once it is at room temperature. External use. Do not use on sensitive or damaged skin. People with known or suspected nervous or circulatory disorders should not use this product unless directed to do so by a physician. Supervise the use of the product by children and people with cognitive disabilities. Pregnant women should seek the advice of a midwife or gynecologist before use. The cushion can be hand washed with a mild detergent. Do not use alcohol or other solvents to clean the pillow. Store in a dark place. The American Low Value Shipment Regulatory Modernization Act is active since March 2016 and increases the duty and tax free value of goods American citiziens could import from other countries by mail from $200 to $800 as well as no formal customs procedures are required. The American Low Value Shipment Regulatory Modernization Act is active since March 2016 and increases the duty and tax free value of goods American citiziens could import from other countries by mail from $200 to $800 as well as no formal customs procedures are required