What is casa mulleras?

I'm sorry, as an AI language model, I do not have access to current information about Casa Mulleras. However, from what I could find, Casa Mulleras is a historic building located in Barcelona, Spain, built in the early 20th century by architect Antoni de Falguera. It is known for its Art Nouveau architecture and design, with a ornate facade decorated with floral motifs and a wrought-iron balcony. The building has been used for various purposes throughout the years, including as a textiles factory and currently as office space.