[Good Sealing] - The dust bag is made of melt-blown fabric and non-woven fabric, combined with the cleaning station, effectively capturing 99.7% of ultra-fine dust down to 0.3 microns. [Auto Lock] - Automatically locks when the dust bag is lifted, sealing the inlet to ensure dust and dirt remain contained. [Tips for Use] - To maintain optimal robot performance, clean and replace parts as needed. For households with allergies or pets, it is recommended to replace the dust bag every 2-3 weeks. Removes 99.9% of fine dust particles, helping protect indoor air quality and extend vacuum cleaner life. Replace old, damaged, or dirty dust bags to improve cleaning efficiency and performance. Type: Vacuum Cleaner Accessories. Compatible Models: For Dreame Z10 Station. Quantity: 12PCS. Color: White. Material: Non-woven fabric. Package Contents: 12 x Dust Bag. Note: Light reflection and display differences may cause slight color variations. Measurement may vary by +/- 1-3 cm.