What is the largest magnet you can produce? June 04, 2019 00:05 Updated Follow The largest magnet we can produce is 24" x 60". For further questions about large magnets, email magnets@jukeboxprint.com. Related articles Design Considerations for Magnets How thick are your magnets? Can I still order your offset magnets? What surface will magnets adhere to? Do you offer Letterhead templates?