1 bag is included with each Biolet.
3 vouchers are included with each Biolet order (you just pay for shipping and handling)

•  8 gallon bag
• Needs to be added to unit 1/2 cup after each fecal use or 1 quart per person per week
• 1 bag will last 2 people using a unit full-time for approximately 3 - 4 months