Froths & Heats Milk In One Go - Whip your cream or milk into a silky, velvety concoction in the comfort of your own home with the Zulay Kitchen Milk Frother and Warmer constructed with rust-resistant BPA-free stainless steel interior. The exterior provides a sleek and modern aesthetic look for your kitchen and coffee maker. The lid is made of shatterproof Tritan material that is transparent, allowing you to see your wonderful foam creation.