【Strong adhesive】: These G7 Over Patches made of high quality material,adhesive patches has been tested can stay over 14 days and do not interfere with the date reading. 【No glue on the center】: PPMAK sensor covers will firmly secure your sensor and do not tear your senor off when you need change the adhesive patch fo Libre 2/3. 【Comfortable】: the cgm tape made of lightweight material,waterproof latex-free and hypoallergenic,soft and breathable,cause less irritation to your skins. 【Why Order From PPMAK】: We provide full satisfaction service, if there's any question, please kindly feel free to contact us, we are 7x24 hours online. 【Waterproof】: comfortable and transparent, a perfect match to your skin,waterproof,you are free to swimming,shower,rain etc.