This premium static cling mounting cushion is used to mount your rubber stamp sheets so that they can be used with acrylic blocks. One side has adhesive for permanently mounting your rubber sheet and the other has a static cling coating that bonds temporarily to an acrylic block for use. EZMount is the perfect choice for those who want to save room in storing their stamps. It is made int he USA. It clings like magic to any acrylic surface! This listing is for a three 8.5x11" sheets.