Salonpas Patch is a pain relieving adhesive patch that provides targeted relief for muscle pain, arthritis, simple backache, and strains. Each box contains 20 patches measuring 6.5 x 4.2 cm, manufactured by Hisamitsu Pharmaceutical Co. This is a topical analgesic patch that can be applied directly to the affected area for localized pain relief. The patches are designed to provide relief from various types of musculoskeletal pain and inflammation. Being a medicinal product, it should be used according to the package instructions and discontinued if skin irritation occurs.