In Milano you can some spots or services of luggage storage:

• Ki-Point Stazione Centrale Service handled by qualified personnel
   
• Radical Storage Available at bars, shops and restaurants in different areas of the city
   
• Stow Your Bags Milano Stazione Centrale Automatic luggage storage with lockers. To be booked online or directly on spot
   
• Daybreak Hotels Available at several hotels located in different areas of the city
   
• Nannybag. Available at some hotels near the Central Station
   
• Pot.Pot  Collects, moves and returns your luggage during the last day of travel
   
• BagMeDo The network includes the official KiPoint luggage storage in the Central Railway Station of Milan and a series of local businesses that make their shops available to accommodate the luggage of travellers

• Bounce  Available at bars, shops and restaurants in different areas of the city