Smiling Face heat pad, a modern & convenient way to soothe & relieve menstrual cramp & associated back pain, which is non-medicated, odorless, and has no side-effect, if proper used. This product maintains a temperature of 40-68 degree, and lasts for 12 hours. This product uses a highly breathable material and is very compact. Does not contain medicine, odorless.
- Relieves menstrual cramp pain and related back pain
- Recognized by the Japan JIS S 4100
- Last for 12 hours and ultra violet pads