Using these candy hearts stickers is a breeze. First, make sure your insulin pump is clean and dry. Then, carefully peel the sticker from its backing and align it with your pump. Slowly press it down starting from one end, smoothing out any air bubbles as you go. When it comes to maintenance, just wipe the sticker gently with a soft, dry cloth if it gets dirty. Avoid using harsh chemicals or abrasive materials. Also, remember that these stickers are for the pump only and no devices are included in the purchase.