Description: Durable: These Sensor Covers are Made of TPU material, breathable and comfortable, leaves no residue on skin, waterproof, nonslip, stick more firmly. Waterproof: Adhesive Patches 11 x 7.8cm, Our adhesive patches are waterproof, both suitable for girls and boys, you are free to swim and all the water activities Protector: Overpatch won't stick onto your sensor but protect around it well, it brings no damage to the sensor. Easy to use: The sensor covers are very easy to use. Simply peel and stick, you just need to stick it on your skin, easy to cover any type of Your sensor. Transparent: These Sensor Adhesive Patches are transparent, invisible both suitable for girls and boys and keep your sensor look good. Specification: Material: TPU Size: 11 x 7.8cm/4.33inchx 3.07inch Package Includes: 10 Pieces Sensor Covers 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!