Instruction manual (may not be in English). Before using, you must clean the painful area (e.g. shave the bristles, to avoid sticking your hair). Peel the film off the back of the patch, you can apply one to your painful area. Recommend changing the patch in half day, (almost 8 hours). Red balm patch has a little herbal flavour. Specialty. Relieve pain in the back, shoulders, kidneys, legs, cervical vertebrae, as well as muscle pain. Please note: 1. Do not use it for children under the age of 12. 2. If the symptoms of pain is not relieved even after 7 days, please consult a doctor immediately. Specifications: 8 pieces per bag. Total 40 pieces/each package. Dimensions: 7 x 10 cm.