The sample pack contains 4x 150 mL bottles (normal size is 750 mL) of Torani syrups, the flavours are:
Sample pack is only available in those 4 flavours due to availability from Torani. This coffee syrup sampler pack will give you a decent idea of whether you'd like the full size flavours, and how much you need to use.
Limited quantity available.
Note: Image is generic, not of sample pack.