Deep Heat Pain Relief Heat Patchesare self-heating pads, which penetrate your skin to provide relief from back pain and muscular aches. The soothing of patches lasts up to 16 hours from application. The heat patch also relieves muscular aches and pains, joint stiffness, backache, strains and sprains. Patches can be also used for relieving menstrual cramps.This patches are air activated, thus open it only when ready to use.

Specifications:

♦Brand:Deep Heat

♦Content: Regular Patch 4's