Compatibility Design: The replacement large cuff blood pressure monitor is suitable for all blood pressure monitors, and its blood pressure machine connection hole is 0.44/0.27/0.23/0.19/0.18/0.16 inch (11.2mm/7mm/6mm/5mm/4.6mm/4mm).Comfortable and Durable: The blood pressure arm cuff adopts nylon cuff fabric and TPU airbag, which is durable and gentle on the skin. Non-toxic and odorless. High-quality large blood pressure cuff ensures the stability of the cuff.Easy to use: Choose the same connector size as the original blood pressure monitors cuff, everything is the same after installation. Similar experience to the original cuff.Package Includes: Only contains the home blood pressure monitor large cuff, does not include the blood pressure monitor. Please note before purchase. Blood pressure cuff is perfect for your whole family to monitor blood pressure health every day.Extra Large Size Cuff: Our blood pressure monitors large cuff is suitable for adults with arm circumference between 22-52 cm (8.6"-20.5"), suitable for almost all sizes, including large arms from thin to thick.