The new blend of tack polymers will hold the dead and stick to the main body and enhance the adhesion of the tack polymer. It will also stick to the main unit and keep the eraser from missing. After erasing, simply pinch the eraser and discard it. No more messy surroundings. The black eraser makes the dirt visible and looks beautiful. Product Size: Width 9.1 x Depth 2.2 x Height 0.4 inches (23 x 5