Features:1. Application - This is a Disposable Foot Warming Patch, you can apply it to your shoes or places you need to keep warm.2. Instruction - Tear the outer packaging bag and take out the product in the inner bag without rubbing it, place it in the air for 3-5 minutes, just like the insole and then pad it on the sole of the foot.(Avoid using it directly on the skin, please wear shoes and socks when using it.)3. Attention - Please pay attention to prevent low-temperature scalds (low-temperature scalds refer to burns that can cause symptoms such as erythema, blisters, etc., if a heating object higher than body temperature is in contact with the body for a long time)4. Material - This product is made ofhigh quality materials, comfortable and soft to the touch, evenly heated iron, and warm to the soles of the feet.No fear of cold wind outdoors.Notice:Actual color may be slightly different from the image due to different monitor and light effect.Please allow 1-3cm deviation due to manual measurement.Description:Material: Non-woven fabric, Iron powder, breathable membraneSize: 9*7cmBattery: NoColor/Style:As the picture shownAverage temperature: 40Maximum temperature: 48Application: Foot WarmingPackage Included10 x Disposable Foot Warming Patchincludes:10 x Disposable Foot Warming Patch