It is clear transparent EVA right?

Yes, it is transparent Print a Children's Book.

What's the difference for the Print a Children's Book?

There is no much difference for the transparent EVA or White EVA.

During the the Print a Children's Book the working progress is same.

How many quantity for the the Print a Children's Book?

There is 3,000 pieces per title the Print a Children's Book.

Those is the specification of the the Print a Children's Book,