Compatible: Haoyunda vacuum cleaners RU100, RU101, RB820, RB880, RU630, RU1113 and vacuum cleaners A2204, A2656, WD3200, WD3300 It can filter out all dust particles and help keep the air you and your family breathe free of allergens, dust, dirt and pet dander particles. These dust bags are easy to disassemble and replace, which is essential, and frequent replacement of dust bags will have a beneficial effect on cleaning the internal environment of the house. colour:brown material:Kraft paper Package Contents: 5 * dust bag Only the above package content, other products are not included. Note: Light 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.