At this time, this is proprietary information that I will not be sharing. I am very willing to share a lot of information but when it comes to the Stickercals I have worked very hard on testing and went through several trials and tribulations to make sure the product is quality and is the very best for my customers. Please understand this is not gatekeeping as I am a huge promoter of helping other businesses succeed, but every business owner has the right to keep information private that they have worked very hard obtain. Hours/Days/Weeks of work, thousands of dollars, and learned lessons brought me to where I need to be at my product quality.