ifory Body Warmers Large Size Heat Patches, Adhesive Heating Patches Disposable, Portable Instant Hot Packs Lasting up to 10 Hours, Travel Size Heat Pads on Cruise- 20 Packs

HEATING PATCHES: Free movement with proven therapeutic heat without wires, sockets, or batteries. Perfect for work, events, or travel! Large size (5.12in * 3.94in) provides a wider range of warmth | HEAT PATCHES FOR BODY WARMERS: Transfer real heat deep into the muscles, relaxing, soothing, and releasing tight muscles at the source, relieving stress and speeding recovery. | INSTANT HOT PACKS: Hot compress can relieve period cramps by improving blood circulation, bringing more oxygen and nutrients, reducing muscle tension, and relaxing muscles. | AIR ACTIVATED: These adhesive heat patches begin to heat 20-40 minutes after opening the package, gradually reaches the highest temperature, and then continues to emit heat for 8 hours. (The heating time is shortened in an air circulation environment) | FITS SEAMLESSLY UNDER CLOTHING: Apply a patch to the lower abdomen or lower back on top of undergarments, it will be covered by pants or clothes, and it is completely unobtrusive and very hidden. (Do not apply directly to skin)