Feature:It will be enough for You for the long time as they have strong waterproof adhesive Our patches sticks longer, and with less irritation, than any other CGM tape on the market.It is waterproof, latex-free and hypoallergenic.Our patch for freestyle libre is waterproof,using our overpatch you are free to swim and all the water activities it can lasting to 7 days withstand for over 10showers.Just tear off the backing paper you can use the sensor covers easily.Specification:Type:Adhesive PatchesMaterial: Elastic FabricSize:As the pictureColor:NudeQuantity:25pcsPackage included:25pcs Adhesive PatchesNotes:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you