Thank you for showing your interest in Surerec Ring Size 7 from Timm Medical (OB). The Surerec Ring Size 7 is a product of Timm Medical and is thereby made of the highest quality. If you have any questions regarding Surerec Ring Size 7 or any product in Timm Medical (OB), please contact us. Our experienced personnel will answer any questions you have about Surerec Ring Size 7. Also, if you are interested in purchasing large quantities of Surerec Ring Size 7 or any Timm Medical (OB), please contact Customer Service.