A Positive Voice in the Community - Libre sensor covers designed and used by an active T1D. Not Just A Patch donates 10% of profits to "Insulin Access For All". Durable & Comfortable - Made from our special cotton and spandex blend making it quick-drying, breathable and stretchy. 7.9 x 7.4 cm. Careful application of the patch on dry, clean skin will result in 10-14 days of adhesion, however, adhesion duration will be less if skin is subjected to excessive moisture. Kind To Your Skin - Proprietary, Latex-free, hypoallergenic, medical-grade adhesive used for these freestyle libre sensor covers to keep your skin healthy. Easy to peel and apply in sections and gentle removal experience. Flexible & Versatile - Optional non-stick middle section, no need to remove your sensor to change these libre freestyle sensor covers. Libre 1 & 2 sensor covers with adhesive wave pattern for better grip, movement and feel. Get On With Life - Purpose designed CGM sensor patches that waterproof your Libre and stick no matter what. Keep your device secure while you swim, run, shower or relax. Compatible with Freestyle Libre 1, 2 & 3 and Medtronic.