Carpal Aid is terrific for you if you have carpal tunnel syndrome caused by wrist trauma, overuse, diabetes, pregnancy, blood pressure and arthritis. Carpal Aid delivers lasting pain relief of carpal tunnel syndrome without using any medications, bulky braces, uncomfortable gloves or invasive surgeries. Each Carpal Aid patch is designed for single use and provides relief for up to 3 days if worn overnight, depending on individual needs and activity levels. There are 30 Carpal Aid patches in a package.