[Good Sealing] - The dust bag is made of melt-blown fabric and non-woven fabric, combined with the cleaning station to effectively capture 99.7% of ultra-fine dust down to 0.3 microns. [Auto Lock] - Automatically locks when the dust bag is lifted, sealing the inlet completely to ensure dust and dirt remain inside the bag. [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 to protect indoor air quality and extend vacuum cleaner lifespan. Replace old, damaged, or dirty dust bags to improve cleaning efficiency and performance of your robot vacuum. 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 between the image and actual item. Measurement may vary by +/- 1-3 cm.