12pcs/Box Knee Discomfort Relief Plaster Moxa Hot Moxibustion Sticker Pad Feature: Quickly relieve various pains associated with Quickly relieve various pains associated with muscle strain, neck pain, rheumatic arthritis, hyperostosis, knee joint ache, tenosynovitis, strain & sprain, sciatica, fibromyalgia. (necessary for office workers, popular in hotweather and warm areas). Necessary foroffice workers, popular in hot weather and warm areas How to Use: Clean and dry affected area Remove the plastic backing from one side of the patch. Smooth that side over the area where you want pain relief. Specification: Size: 13.8 x 9.5cm (Each pad) Qty: 12pcs/Box Color: As the picture show