... ).twin dance mat 2).for TV/USB/ps2/xbox 3).anti-slip,durable 4).manufacture made 5).competitive price twin dance mat ... ).new concept of environment protection,durable,anti-slip,wear-resistant;3).mat surface:non-toxic,.non-slip,high-denstiy, PVC,2mm;4).mat ... bottom:non-toxic,non-slip,high-density,EVA,2mm;5).plastic shell:high-strength ABS ...