The sizes are the size of the largest cake you want the stencil to go on. So 8 inches will go onto a 12" cakejust take 2" off the largest size stencil you will need.
All Stencils are Cut and posted same day if ordered before 11am. 
If you need an item next day, please select the next day option at the check out. 
all are laser cut to perfection.