There are a total of 3 items in the Biological Smell Free Bin Starter Pack. Innovative Scent Technology Gently Diffuses to Quickly Counteract Unwanted Odors, Leaving Trash Cans and Whole Areas Smelling Fresh Wheelie Container Aids in Smell Decrease Solution to Help! All of us have experienced placing vinegar or baking soda in the garbage can to mask foul odors.