Description: Waterproof & Breathable: This waterproof transparent sensor patch allows your skin freely breath while protects. Its strong sticky ensures a long time, over 14 days and 14 showers, without harm to your skin. Not Stick with Sensor: no holes and no glue in the middle, easier change in case and provide a full protection to the sensor. Easy to use: with easy-peeling backing, easy to use by yourself, no need other help. Material: made with latex-free acrylic adhesive, breathable and comfortable, leaves no residue on skin. It dries quickly, ensure you are every time during you use it. Package Includes: In total 25pcs adhesive patches to meet your needs for multiple quantities and different scenarios, such as showering, swimming, and other sports. Specification: Material: TPU Color: Transparent Width: 7cm/2.8inch Thickness: 0.04cm Item Number: 25 Features: Waterproof, Hypoallergenic, No trace Package Includes: 75x Adhesive Sensor Patches ( 25x Oval, 50x Round ) Note: No Sensor included. Please allow slightly 0-1cm difference due to manual measurement. Thanks for your understanding and attention. Wish you a pleasant shopping experience!