Made of high strength and environmental protection material. Each vacuum bag contains 30 dirt bins so you don't have to think about vacuuming for at least two weeks at a time. Efficient dust bag: easy disposal without clouding dust. Blocks 99.97% of dirt, debris and other particles as small as 0.3 microns. Our compatible replacement accessories can ensure that the collected dust stays inside the vacuum cleaner. Instructions for use:1. Lift the release button and open the dust compartment cover upwards until it clicks into place. 2. Grasp the collar and pull the filter bag out of the holder.3. Insert the new filter bag into the cardboard holder as far as it will go.(Note: Do NOT unfold the filter) 4. Unfold the filter bag into the dust compartment when possible.5. Close the dust compartment cover until it clicks into place Replacement vacuum cleaner parts fit models: Replacement parts are compatible with i and s series i7 i7+ i7Plus(7550) J7 J7+i3 i3+ i3 Plus(3550) i6 i6+ i6Plus(6550)