[Simple Replacement]Simply remove the full dust bag and install the one along the holder slot. This straightforward process makes replacement and maintenance effortless. [Tips for Use] --- In order to keep your robot running at its , please clean and replace parts in time. If you have allergies and pets , it is recommended to replace the dust bag every 2-3 weeks. 12 Pack Replacement Vacuum Bags: Comes with 12 vacuum bags, providing a long-lasting and cost-effective solution for your cleaning needs. Each bag measures Universal Fit: Designed to fit various models, including i1+, i2+, i3+, i4+ i5+i6+, i7+, i8+ j5+j6+ j8+ S9 and more. These vacuum bags are a perfect replacement for the vacuum bags. Materials: Made from and puncture- materials, these replacement vacuum bags are sturdy enough to handle all kinds of dirt, dust, debris, and pet hair. They are designed to maintain their shape and hold more dirt, ensuring a more efficient cleaning process. Colour:White Material:non-woven fabric Package Contents: 12 x Dust Bag Only the above package content, other products are not included. Note: Light reflection 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.