Compatible - The Vacuum Bag Is Specially Designed For Irobot Roomba Vacuum Cleaners. They Are Suitable For Irobot Roomba I7, I7+/Plus, S9+/Plus, E5, E6, E7, S9 (9150), S9+, S9 Plus (9550) Vacuum Cleaners.^ Isolate Dust - The Irobot Roomba I7 Vacuum Bag Can Not Only Contain Ordinary Household Dust, Glass, Dust, Pollen, Gravel, Leaves And Liquids, But Also Bacteria In The Form Of Fungi, Spores Of Mold, Dust Mites And Allergic Fine Dust. For Allergy Sufferers, This Means Getting Rid Of Fine Allergic Dust In The Ambient Air.^ High Quality Materials - Unlike Ordinary Vacuum Cleaner Bags, The Roomba I7 Bag Is Made Of 2 Layers Of Thicker Non-Woven Fabric And 2 Layers Of Melt-Blown Fabric To Ensure Greater Durability. Will Not Be Punctured By Sharp Waste Inside. In Addition, There Is An Open/Closed Door That Prevents Dust From Escaping.^ High Quality Materials - Unlike Ordinary Vacuum Cleaner Bags, The Roomba I7 Bag Is Made Of 2 Layers Of Thicker Non-Woven Fabric And 2 Layers Of Melt-Blown Fabric To Ensure Greater Durability. Will Not Be Punctured By Sharp Waste Inside. In Addition, There Is An Open/Closed Door That Prevents Dust From Escaping.^ Economical-We Provide 10 Irobot Roomba Dust Bags. It Is Recommended To Replace The Irobot Bag Every 2-3 Months. This Keeps The Irobot Roomba Vacuum Efficient And Reduces The Entry Of Dust, Pollen And Other Allergens Into The Air.^