H&M premium reptilian look black boots with chunky heel like new sz38

These are awesome black boots. They’re tall right below the knee. I do not know what they’re made of. I cannot find that information. There’s a picture on the heel that you can see that shows something but I don’t understand what it means. These have been worn once I do not see any flaws in them other than they need a good clean, everything I think is a scratch is just not