Small Size Cuff - blood pressure monitor Small Cuff suits for adult or kids with arm circumference between 15-24cm (5.9"-9.5"), easy to self-adjust and operating, fits for people with small or thin arms. Its a ideal backup bp cuff or replacement bp cuff for home or community hospitalsComfortable Arm Cuff - Constructed with comfortable nylon material, with TPU airbag not non-toxic and tasteless. Nylon soft hook velcro does not grab the hair for long-term usability. Its a ideal backup bp cuff or replacement bp cuff for your homeCompatibility Design - The replacement large cuff is suitable for all blood pressure monitors whose bp machine connect hole is 0.44/0.27/0.23/0.19/0.18/0.16 inches (11.2 mm/7 mm/6 mm/5 mm/4.6 mm/4 mm). Easy installation and adjustablePackage Including - Only blood pressure monitors large cuff for home use, NOT include blood pressure monitor. Please pay attention before purchasingTips - Please measure your arm, then refer to our bp cuffs size chart to select the right one. If you encounter any problems after purchasing the product, or any interested in our product, please feel free to contact us. We will provide you with the most satisfactory service!