Sold in Set is 10 HEAVY DUTY INSULATION VACUUM BAG - WHITE RHINO 2.3USAGE: Removing Loose-Fill Fiberglass or Cellulose Insulation from AtticsBAG SIZE: 6' x 4' HOLDS EST 75 Cubic FeetFABRIC: 100% HD Non-Woven PolypropyleneHIGH AIR FILTRATION: Safer for You and the EnvironmentFITS: All Insulation Vacuums or Hoses with 10 Inch or Less DiameterEASY-FILL Spout: 12" X 10" DiameterSTRENGTH: HEAVY DUTY  Safety Usage Notes: A section of hose is recommend between the vacuum machine and the vacuum bag. The hose will help deflect (knock down) foreign objects (nails, etc.) before entering bag. No insulation vacuum bags on the market are HEPA rated and should not be used for the removal of asbestos insulation.