About this itemAdhesive patches for freestyle libre 2 sensor covers: Quality medical film, safe, latex-free, soft, breathable, hypoallergenic and pain-free removal for comfortable without residue on your skinProprietary advanced freestyle libre adhesive patch waterproof: 10 days long-lasting adhesion; sweatproof and keep your sensor clean dry and secure in place, water-resistant in shower swimming and hottubEasy to apply or remove: libre freestyle sensor covers adhesive patches, 3 parts pre-cut back paper (peel off the larger white opening cut part first. stick it on. then, peel off the top layer). Compatible with Libre 2, Enlite, Medtronic Guardian, Infusion setThin & transparent CGM patches libre 2 sensor covers adhesive tape without hole: 3 1/2" in diameter perfect dimension to feel free in any activities. Comfortable sensor covers with high adhesion, sticks longer and not visible on the skin100% Customer Satisfaction Guaranteed: 60 pieces per pack under strict quality control team meets your long-term continuous use; Detailed multilingual user pamphlet instruction helps you successfully even at your first attempt. You'll love it