They started off at 15" but then I found a fabric that coordinates SO perfectly that I felt the need to add a 1" border all the way around.
Now I have 17" blocks!
UPDATE: I think I found somewhat of a solution. Let's just say that, if stupidity was a disease, I'd be dead. Stay tuned.
(Fabric used: http://www.etsy.com/listing/82324772/12-days-of-christmas-quilt-fabric-bundle & http://www.etsy.com/listing/82877305/bright-striped-cotton-quilt-fabric-1)