Yes. Each costume is crafted based on concept artwork the costumer supplies.
You will want a 3-view concept art that shows all of your character’s features. Feel free to add bullet points to your concept art to point out details such as “large ears” so we know exactly what you want.
You can also add such info in the “additional info” box on your quote form.
Although we encourage drawn out concept art, we sometimes accept partial artistic freedom. This is when you come to us with an idea, such as a species, color scheme, or photographs of real animals for us to go off of.