PACKAGE INCLUDES- You will get 30pcs round libre sensor covers with size 7x7x0.04cm/2.76x2.76x0.02in. Enough quantity freestyle libre sensor cover shall meet daily needs during swimming, showering and sports, sweating. WATERPROOF AND BREATHABLE- Made of TPU material, freestyle libre sensor stickers are soft and thin, waterproof and breathable. Libre sensor covers will keep your sensor from being disturbed by water or sweat. NOT STICK WITH SENSOR- No hole and glue in the center of freestyle libre sensor cover, which will not stick onto your sensor but protect around it. Libre sensor patches will make your sensor safe, beautiful and practical.(Note: sensor not included in package) EASY TO STICK AND READ- There is pre-cut back paper in libre sensor covers, easy to use. With self-adhesive material except the hole, it is easy to stick. Transparent freestyle libre sensor cover will make you read tape easily. SAFE & HYPOALLERGENIC- The libre sensor sticker is made of natural cotton, latex-free acrylic adhesive, breathable and comfortable, leaves no residue on skin.