Features: Sticking is firm, so you do not have to worry about wearing it in the shower. Made of high quality elastic fabric material, snug and comfortable, easy to tear. Easy to stick - just tear off the backing paper, you can stick it anywhere on your body. Waterproof and breathable, so your skin can breathe freely, while the sensor provides the best protection. You can use it with your sensor and wear the sensor for running, mountaineering and other activities. Specifications: Material: Elastic-fabric Length: approx 7.47cm/3-inch Color: blue/pink Package Includes: 50xSensor Sticker note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.