Presto Patch™ was created by the team at Running Pros to relieve muscle pains due to strains and overuse. Presto Patch is designed to stop inflammation and relieve sore muscles and comes 10 patches per pack. Each patch is 1.5″ x 2.5″ and contains cannabis oil, camphor, menthol and methyl salicylate. Originally the Presto Patch was created for use on feet and ankles. However, it is now commonly used for arm, neck and back pain. Anywhere you have a sore muscle, the Presto Patch can help. Presto! The pain disappears.