This adjustable, two-tier wire mug rack holds eight cups and can be mounted ... on top of each other—without a wobbly situation. The expandable piece can fit small and large mugs alike.

ShelfSteps Expandable Organizer 3 Piece Shelving Rack Store extra bottles on this UpSpace Water Bottle and Travel Mug Organizer ($20). UpSpace Water Bottle and Travel Mug Organizer We love that ...