1、MIDDLE NO GLUE: Adhesive patch will not stick onto your sensor but protect around it , in case you need to change the patch, it brings no damage to the sensor. 2、WATERPROOF DESIGN: Sensor adhesive patch has been proven to be waterproof, therefore, you do not need to worry about shower, rain, swimming etc. 3、LONG LASTING: Sensor cover has long lasting adhesion, which does not contain any allergenic substances, is not easy to fall off, lightweight and durable. 4、20 SHEETS: Black adhesive patch comes in a total of 20 sheets, enough to meet your daily needs for running, walking, swimming and bathing, etc. 5、ELASTIC FABRIC: Sensor adhesive cover is made of excellent elastic fabric material, which is skin friendly, breathable, stretchable and flexible. <p class="wang-edit-text"><p class="wang-edit-text"></p><p>Item Type: Sensor Adhesive Patch Material: Elastic fabric</p><style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style><p></p></p> 20 x Sheets of Sensor Adhesive Patch