[Applicable Models 12 Pack vacuum bags, Compatible with i & s & j series, i1 i1+, + i3 i3 Plus i3 + ( 3550 ), i4 i4 Plus i4 + ( 4552 ), i6 i6 Plus i6 + ( 6550 ), i7 i7 Plus i7 + ( 7550 ), j7 j7 Plus i7 + ( 7550 ), i8 i8 Plus i8 + ( 8550 ) s9 s9 Plus s9 + ( 9550 ) and all clean base automatic decontamination models. [Upgraded & Eco-friendly]Made of high-strength 2-layer superfine melt-blown fiber filter layer and 2-layer non-woven fabrics. The magical self-locking collar ensures the particles have no chance to run out of the dust bags once be captured. No Secondary Pollution. [Large Capacity & Easy to Use]Each vacuum cleaner dust bag holds 30 bins of dirt and debris. Easy to install and replace, free your hands from dirty. [High Quality]Made of Eco-friendly cardboard interface and high quality high strength non-woven fabric. Sealed without dust leakage, effectively blocking 99.97% of dust, debris and other particles as small as 0.3 microns. Energy saving: By using dust bags, you can extend the service life of the vacuum cleaner and reduce the cost of cleaning equipment replacement. Colour:White Material:Non-woven fabrics Package Contents: 12 x Dust Bags Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.