This milk frother lid replacement part is specifically designed use for Aeroccino 4 milk frothers. The Milk Frother cover is made of plastic Material,It is effortless to install and remove,Simply place it on top of your for Aeroccino 4 milk frother and twist it into place. The seal used in this lid is made of food-grade silicone, helps to preserve the freshness and quality of your milk by preventing any external contaminants from entering the frother .It's Great replacement for frother parts. If your milk frother lid Cover is cracked, for the sake of your milk frother safety and use experience, Simply replace the lid of one milk frother.milk frother lids are easy to clean, they can be rinsed directly with water or put in the dishwasher after use. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:White&Transparent Material:plastic Package Contents: 1 x Milk Frother Cup Lid Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.