Sir, i hope your doing well,
sir i make Banner Design your YouTube Channel Size in 2048 x 1152 and i make Profile Picture Size 98 x 98 it would be great if we have further communication on this project for better understanding.
We will give you all final source files in these formats:
ai, eps, vector, pdf, jpg, png, bmp
Please come to chat ! We can talk about price after finalizing requirements.