The list of working materials and sales products forms the basis for the inventory system of each venue Add to this list the products / materials you work with and the products / materials which must be supplemented again and again; hair dye, gloves, a file, nail polish and so on A work material can also be a sales product, the only difference is that the system must know that the item is also available for sale, so that it will be visible on the product list in a booking Tap New Material / Product at the bottom right to add a new item to the list