Dust bag made of a 2-layer super fine melt blown fiber layer and 2-layer nonwovens can highly effectively block 99.99% dust and small particles, and without risk of leakage. 2.5L large capacity can effectively remove dust for up to 60 days. When you lift the bag, it automatically locks to keep dust and dirt in the bag. Easy to replace and install. Just remove the full dust bag and install the new dust bag in place along the holder slot. Package includes: 9 Pcs Dust Bags, you can buy as many as you need. It is advisable to change for dreame l10s Ultra accessories every 2 to 3 weeks, especially in households with pets. *Dust bag made of a 2-layer super fine melt blown fiber layer and 2-layer nonwovens can highly effectively block 99.99% dust and small particles, and without risk of leakage. *2.5L large capacity can effectively remove dust for up to 60 days. When you lift the bag, it automatically locks to keep dust and dirt in the bag. *Easy to replace and install. Just remove the full dust bag and install the new dust bag in place along the holder slot. *Color: As Pictures Show Package including : 9 Pcs Dust Bags Kindly Note: 1. The actual color may be slightly different from the one in the photos due to several factors, such as monitor brightness and ambient lighting conditions. 2. Measurements may be slightly different due to manual measurement.