FAST Shipping 3" & 2" Circle Stencil Blocker Attachment This is to be used with a stencil holder. Sandwich the stencil you are decorating with between these 2 stencil to isolate your design. Blue sections in image are the open sections. Can be used with royal icing, air brush, fondant, butter-cream, chocolate or any spreadable material. Stencils can be used for many craft projects. I usually ship between 1-2 business days. Fast Shipping 2" & 3" Circle Stencil Blocker, Adapter, Frame