Starter Set for Solid Dish Soap includes reusable ramekin, bamboo brush and 4.5 oz Solid Dish Soap fragranced in citrus and rosemary.  Solid dish soap is a highly concentrated, zero-waste alternative to liquid soap. To use it, simply wet a sponge, dish brush, or cloth, rub it onto the solid soap to work up a rich lather, and wash your dishes. A little goes a long way.