Bullet point: 1. Using modern biological technology, rapid penetration, epidermal layer directly to muscle tissue, effective ingredients from the inside out to reduce muscle and bone discomfort. 2. Long-lasting effect: in strict accordance with the laws of human absorption, scientific ratio. 3. Tailored for the knee. 4.Relatively large viscosity, heating wormwood pad, more moderate. 5. Applicable to by wind, cold, wet, the neck, shoulder, caused by the evil of the waist, legs and other joint and a variety of pain caused by soft tissue bruise. Specifications: Shelf life: 2 years Size: 13 * 9.5 cm/5.11 * 3.74inch(Approx.) Package includes: 12 x knee pads