It contains 64 single and combination herbs in 1/8 ounce amber glass bottles. They are labeled and organized by body systems. One layer does have an additional row of 4 empty bottles for you to customize and fill with your favorite product that might not be included in the kit. You will receive a carrying case, 2 wooden (poplar) shelves with hand drilled holes to hold the bottles, a laminated layout for each level, a list of all 64 herbs or combinations in alphabetical order with a brief description of historical uses, a page listing all organs and systems and suggested herbs to use in the kit. A cross reference page listing the herbs which are highest in each vitamin and mineral is also included.