What is the size of millo Travel cup ? Aivaras Bakanas December 02, 2019 14:47 Follow millo Travel cup size is 500 ml (17 Oz). Related articles How to know millo battery level? How much batteries are charged? Battery percentage? Low battery? Are there any design variations? Will millo blender crush ice cubes, nuts or other hard ingredients? Can millo blend hot beverages ? Comments 0 comments Please sign in to leave a comment.