High filtration system, very suitable for allergy sufferers The 3d efficiency bag is very sturdy, with a safe sanitary collar, which can provide additional suction control, and the technology is more effective than antique-designed bags Equipped with an air filter to get the cleanest air even when vacuuming The automatic closing mechanism closes the bag when opened to prevent any accidental dust loss Material:Non-woven fabric colour:White + Black Package Contents: 10 x dust bags 2 pairs x Filter sheet 1 x filter 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.