... pain patch 1.100% herbal product 2.Relief pain on neck,back,waist,shoulder 3.98%cure rate 4.OEM ... Relieve pain 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, ...