This is a brand new frame mold and it's works amazingly! You do need a flexible Poly Blade to use with it. It comes with detailed directions on how to use it. You can use clay, resins and chocolate. 

The outside of the frame is 2 3/4" wide by 2 1/4" tall.

The inside picture area is 1 7/8" wide by 1 3/8" tall.