This design is very easy to edit and is optimized for printing. It was designed at 300 dpi in CMYK color mode at 3.75×2.25 inch dimension which includes a bleed area.
A .PSD is included as well as a .JPG collage of the 3 colour variations, and a help.txt. the psd file is layered, and printing a different colour is as easy as turning off a layer