Feature: 1. Stretchy and Comfortable Material: The water resistant sensor fixer is made of material with good stretchability and comfort, ensuring no foreign body sensation during rest and reducing skin burden. 2. Strong Adhesive for Secure Fixation: The breathable sensor sticker comes with a strong adhesive that can protect your sensor from falling off during intense activities, sleep, or even swimming. 3. Water Resistant Design for Safe Protect: The sweat resistant sensor fixer can protect your sensor from sweating after violent movements, and the quick drying adhesive ensures no humidity affecting your skin and sensor. 4. Comfortable Fit for Extended Use: With the water resistant sensor fixing tape, you can enjoy a comfortable fit that lasts for along time , whether you are engaging in sports, sleeping, or swimming. 5. Secure and Sturdy Fixation: The sensor patches provide a secure and sturdy fixation for your sensor, ensuring it stays in place during various activities. The secure fixation is convenient for your daily use. Specification: Item Type: Sensor Fixing Tape Material: Elastic Fabric, Acrylic Adhesive Quantity: 40pcs Size: Approx. 7.5cm / 2.95in(Manual measurement has a certain error). Package List: 40 x Sensor Patches