Adult Large Cuff- Our blood pressure monitor cuff suit adult arm 9-21 inches (22-53 cm) in circumference. The replacement cuff is easy to self-adjust to improve accuracy. Compatibility Design- The Replacement Extra Large Cuff is suitable for most brands blood pressure monitor. Easy installation and adjustable. Material - Blood pressure arm cuff using nylon cuff fabric, TPU airbag non-toxic and tasteless. Nylon soft hook Velcro does not grab the hair. Package Including - Extra Large Replacement Cuff4mm connector5mm connector6mm connector7mm connector11.3mm connectorQuick User Guide. Notice&Warranty - Not include a blood pressure monitor. Money-back satisfaction guarantee if you have any quality concerns or other problems, pls feel free to contact us via , we will solve your problem in 24 hours. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!