... stasis4. Replace heavy winter coat, to provide temperature protection for the human bodyApplication(1) Cure pain, anaesthesia and tumidity ... disease, diarrhea, stomach ache, etc.(3) Cure dysmenorrheal, abdomen recovery, etc.(4) Activate blood circulation and recover bruise in ... . The quality guarantee period is for 3 years.OEM ServiceWe can make different heat pack with different size and shape and ...