Tibetree Pain Relieving Medicated Plaster patented combo format of both dry and wet herb pack. The wet pack contains herbal decoction which is poured on to dry herbal pack. The wet pack allows accelerated absorption through skin and allow the active ingredients to penetrate deep into the affected area, and effect to last long. Pain begins to improve in as little as 15-20 mins after application. Tibetree Pain Relieving Plaster 1pkg/5 patches.