Compatible with CGM Sensors and Insulin Pumps - Perfect for closed loop system users. For Medtronic MiniMed 640G 780G 670G 770G 630G Pumpen, Infusion sets. Waterproof and Fortified Defense - Wear it with your CGM glucose monitor sensors or TruSteel infusion set while showering, bathing, workout or swimming without worry. Protect your CGM sensors from bumps. Strong Adhesion - The LiangMai universal CGM patches hold the sensor firmly to your skin for 7 to 14 days.The adhesive design ensures secure and stable wear, staying comfortably in place during showers, workouts, and sleep while maintaining breathability. Easy to Use-Simplify your routine by keeping adhesive patches separate from the CGM sensor, ensuring no sticky residue on the sensor. Also, you can easily get a reading through the tape as normal. Highly Breathable -LiangMai universal CGM sensor and insulin pumps patches are made of highly elastic material, providing you with unsurpassed protection and great breathability.The patch adheres comfortably with no feeling of restriction. Waterproof & Breathable: This tan adhesive patch is waterproof and breathable,Wear it with your CGM glucose monitor sensors or infusion set allows your skin freely breath while protects.Once applied it is soft and avoids skin irritation. Long Stay: Strong and reliable sticky ensures a very long time use, keeps stay on over 7 days and 7 showers. Compatible With: for Medtronic MiniMed 640G 780G 670G 770G 630G Pumpen. Easy to Use & Easy to Read: Pre-cut CGM sensor patches , easy to use by yourself, no need other help. Also, you can easily get a reading through the tape as normal. What's in the Package?40 Pcs pre-cut CGM sensor patches-No hole and no glue in the center.