Comfortable Arm Cuff: Crafted from high-quality nylon cuff fabric and featuring a non-toxic TPU airbag, our blood pressure cuff is durable and gentle on the skin. The soft Velcro ensures a secure yet comfortable fit. Compatible Design: This large replacement cuff is suitable for all blood pressure monitors with connection holes of 0.27/0.23/0.19/0.18 inches (7mm/6mm/5mm/4.6mm). It's universally compatible with most blood pressure monitor brands, making it a versatile and convenient choice for daily home monitoring. Comprehensive Package: In addition to the Extra Large Replacement Cuff, this set includes connectors in various sizes to ensure compatibility with different monitor models. A Quick User Guide is also provided for easy setup and reference. Satisfaction Guarantee: While this package does not include a blood pressure monitor, we stand behind the quality of our product. If you encounter any issues, please contact us on Amazon for prompt assistance and resolution. Extra Large Blood Pressure Cuff for Adults: Our Extra Large Blood Pressure Cuff is specifically designed to comfortably fit adult arms ranging from 22-52 cm in circumference, ensuring accurate readings every time.