The original Tiger patch provides heat and is placed on the back or any other area to be placed on the muscles and other areas and gives a feeling of comfort. The main component of the Silva back patch provides gentle heat, which causes the muscles to relax to the area where it is applied, and at the same time the natural backing of the patch provides a feeling of comfort. It is used as an external support patch for muscle and back comfort. It lasts a long time. Back and muscle patch. Flexibility in movement because it contains rubber