InView Silicone Male External Catheter, Standard Type, Purple, Medium, 29 mm, 1 Box of 100 Pads Mix in drink powders 14283 Mix in drink powders 5 (measurement taken just under the knee cap while knee is slightly bent) * Thermal support for prevention treatment & rehabilitation of the knee * Provides protection and support against general wear and tear including sprains strains and twisted knees * Anatomically shaped in 3 pieces for more comfort and a better fit * Thermoskin increases elasticity of muscles tendons and ligaments to reduce the risk of injury when under stress and strain * Clinically proven to increase surface skin and subcutaneous temperature between 2 3 degrees F the optimal level to make tendons and muscles more pliable and elastic to provide optimal muscle function The silicone male external catheter has an adhesive that forms a comfortable It has a tapered tip that prevents urinary backflow