... pain relief patch [HS code] 3006700000 [Structure] made of Anti-sticking layer, nonwoven and gel layers [Advantage](1)Traditional ointment patches relieves pain ... on arthritis, backache, tendonitis, muscle strains, sprains, bruises and cramps (2)Gel formulations, quick ... strain skin and hairs (4)Hydrophilic polymer gel, safe and convenient, not allergic, no stimulation