Nonin Medical's Flex Sensor System combines the convenience and performance of a disposable sensor with the economics of a reusable sensor. The reusable Flex Sensor, constructed from a durable silicone, is secured with a matching disposable FlexiWrap ® adhesive. This hybrid sensor system is perfect for numerous applications which includes extended monitoring and sleep studies. offered in sizes to fit neonates to adults, the Flex Sensor System is a great value for patient monitoring.