30 Drops set.

You will receive:
?1 Illustrator EPS(10) vector file with zentangles patterns (+Ai)
?1 JPEG file with high resolution (300dpi)
?1 PSD file with 1 drops set layer & 1 background layer(300dpi)
??? How can you open and edit the files? ???
You will need to use Illustrator 10 or above to open and edit the eps file and Png files. You can use Photoshop to edit PNG files and JPEG files.
Have a good day! =)