As I’m sure you’ve seen on various posts, I mostly use Strathmore Bristol Vellum as the paper for my tiles. Note: It's important to understand that this is not thin, translucent vellum. "Bristol" is bristol board, a form of very thick paper. The word vellum, here, refers to the finish on the paper. The vellum finish has a slight tooth to it. Bristol board also comes in a smooth finish, which is very popular for illustration work. It works really well for me for both wet and dry applications. It’s perfect for Zentangles because the Pigma Micron pens draw very nicely on it without a lot of bleeding and pencil shading is smooth and velvety.