Are you looking for a time saving option, or just not into the process of making your own bias binding?  We have a beautiful solution. 

This listing is for ½ inch double-fold 100% cotton bias tape.
From the Spooky Schoolhouse collection by Melissa Mortenson of Polka Dot Chair for Riley Blake Designs.  

It is all rolled, so there are no creases. Perfect finishing seams on garments, replacing a facing for armholes and neck openings.

3 yards
100% cotton
1/2" wide - Double fold
Fully handmade
Machine wash cold, no bleach, tumble dry low, remove promptly.