If you want a custom car magnet larger than 24" x 36", please reach out to our Support Team to see if we can assist you with your request. Please make sure to provide as much information as possible for us to be able to get back to you quickly and with pricing if it can be done. Contact Support Team at Support@4over4.com or you can use the Custom Project page to submit your request https://www.4over4.com/custom-project