GENUINE BAGS- We don't beat around the bush here at GreatVacs. We only sell genuine parts. FILTRATION MATERIAL- Made from micron cloth to improve your air quality. Keeps dirt and dust inside the bag and out of your air. DISPOSABLE- Once the bag is full, simply remove and throw away. Insert new bag and you're ready to clean again. Its that easy. DIRECT FIT- Guaranteed to fit the Prolux 10qt backpack vacuum cleaner DESIGNED IN THE USA - All Prolux products are designed and developed in the USA. 60 DAY MONEY BACK GUARANTEE - When you buy from GreatVacs. (We truly do stand behind our products) WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and reproductive harm.