Features: Rheumatism patch is suitable for people who get trouble in rheumatism、 back pain、 numbness in limbs and spasm. It could promote blood circulation、 helpful for relieving pain.   Description: Quantity: 20pcs (4 Pieces in a box) Size: 7cm*10cm Weight: About 100g   How to use: Rheumatism patch is a reddish-brown to red brown rubber sheet with aromatic odor. Applying it on affected area for external use.   Package Included: 20 X pcs Rheumatism Patch   Notice: A course of a month. Each time used no more than 24 hours. Pregnant women are prohibited from usin this item. Consult your doctor before using the item.