Spellbinders Impressabilities New Arrival [I2-1011]. These are so versatile - you can use to emboss or deboss (using the opposite side), stencil with ink, letterpress etc.
You can also cut pieces out to make a frame to run through your Spellbinder or Cuttlebug machine and then use the cut-out pieces as embellishment stencils etc. There are many YouTube videos showing the versatility of this item.