Koolertron Acrylic Plastic Dry Erase Director&rsquo;s film clapboard (9.85x11.8 inch) Organic(Acrylic) material and non-wood produced, easy to be written or cleaned; Large-size : 9.85 x 11.8" (25x30cm); English version, beautiful and stable; Computer-graved and with printings non-lose; Built-in magnetic stripe, professional and resonant while being clapped;