Portable to use anywhere, table, chair, desk or any horizontal surface. Just put on the edge of the table, easiest to use. A simple modern nice outlook and non-slip rear, very stable heavy base. Durable rubber for a long-term use, Cue is not included Portable to use anywhere, table, chair, desk or any horizontal surface. Just put on the edge of the table, easiest to use. A simple modern nice outlook and non-slip rear, very stable heavy base. Durable rubber for a long-term use, Cue is not included