Rubber Stencil Material used for sandblasting. U-Blast Stencil.
And it's Gino for the win, and the answer! (No sarcasm - just astonishment at the speed of his responses)Yes, that's the same brand we have here. We have several boxes. Ya get it in any fabric store.
...I am in need of the wax free transfer paper... Saral was the brand I was looking for.