10 Days Stay Protection:Don't worry about your sensor will fall because the G7 and stelo adhesive patch can prevent the sensor from falling and can protect your sensor is not damaged. Reliable sticky ensures a very long time use, keeps stay on over 10 days and 10 showers.The adhesive is hypoallergenic and Latex-Free, leaves no residue on skin after even 10 days. Waterproof & Breathable:This cotton material g7 overpatch is waterproof and breathable, it allows your skin freely breath while protects.Once applied it is soft and avoids skin irritation. No Stick on the center: It won't stick onto your g7 sensor but protect around it , in case you need to change the patch, it brings no damage to the sensor. Natural Cotton Material: This large size(3.15 inch diameter)g7 adhesive overpatch is made of natural cotton material, it is skin breatheable, stretchable and flexible. 25 Pieces Economy Pack, the best value for money!Detailed multilingual instructions helps you successfully even at your first attempt. You'll love it! 25 Pieces Economy Pack, the best value for money! If you don’t like the dexcom patches,we will refund your money or replacement.