High-quality vacuum cleaner bags: Made of high-quality, environmentally friendly non-woven fabric, they are high-strength and free of harmful substances. Miel vacuum cleaner bags help improve indoor air quality. Effective dust protection: These 3D vacuum cleaner bags can capture 99.7% of all dust particles and other allergens. The three-layer, thickened design of the dust bag with 3D technology can capture more fine dust and small particles and effectively prevent dust from flying. Spring seal design: The dust bags are manufactured as a replacement for vacuum cleaners and air filters. They feature a multi-layer construction that prevents 99.9% of fine particles from being released into the air. Good sealing performance ensures that all dirt is trapped in the vacuum cleaner bag, keeping your hands free from debris. Performance: Efficient filter, multiple filtration for fresh and clean indoor air. The automatic shut-off mechanism seals the bag, so you no longer have to worry about being