Thank you for showing your interest in Surestep Pro Control Solution High/low from Lifescan (70). The Surestep Pro Control Solution High/low is a product of Lifescan and is thereby made of the highest quality. If you have any questions regarding Surestep Pro Control Solution High/low or any product in Lifescan (70), please contact us. Our experienced personnel will answer any questions you have about Surestep Pro Control Solution High/low. Also, if you are interested in purchasing large quantities of Surestep Pro Control Solution High/low or any Lifescan (70), please contact Customer Service.