Koatobbor Girls Cheerleader Costume Cheerleading Outfit Dress for Halloween Party Birthday Gift 3-9Years

In the red uniform, are the lines black or navy?

What is the size of 8-9 years

What size should I buy for my Granddaughter who wears a 12 in regular clothes?

You are telling people to check the size chart when you are selling on a drop down box that just gives childs age. Please post a size chart?