There are a variety of mug styles you can choose from when purchasing a design. Here are their descriptions.
To give you an idea of size difference, here is an 11oz and 15oz mug side by side:
OPEN FOR ORDERS STARTING AUGUST 31ST
I'll be opening up shop for orders starting August 31st. I cannot guarantee how long I will be open for due to current events so be sure to place your order early to avoid disappointment.