WMF Cleaning Beads were designed for perfect inner cleaning of all those hard-to-reach areas, covering every last inch of decanters, carafes, vases, drinking bottles, thermos flasks and so much more. A simple swirling action is all it takes to ensure deep-cleaning results that leave your precious objects spotless—quickly and effortlessly with a thorough process that's completely safe for glassware. These premium cleaning pearls are perfect for all WMF carafes and decanters and are especially suitable for red wine sediment.