The OMRON 3 Series Upper Arm blood pressure monitor is designed for accuracy and stores 14 blood pressure readings for one user, and includes a wide-range D-ring cuff,a very large cuff.It measures five times more data points for consistent, precise blood pressure readings less affected by any breathing or movements during measurement.It informs you when your heart beats irregularly, which is vital information to track and share with your healthcare provider and provides a large digital screen to see and read your results easily.We have them in bulk incase if you need about 200 pieces and above you can get it, because we are a wholesale company who supply different kinds of medical products.God bless you for buying from us.THIS TYPE HAS A VERY LARGE CUFF SIZE WHICH IS 22-42CM(9-17 INCH).