Big Boss 9227 Milk Frother Max capacity: 450ml/15oz ; Milk Frothing Capacity: 100ml/3.3oz.; Milk warming capacity: 200ml/6.7oz Select from 3 one-button functions: warm, froth or both Detachable frothing and mixing attachments for easy cleaning Cool-to-touch plastic housing Stainless Steel cup with non-stick coating inside