Made of high quality material, professional and easy to use, long service life. Exquisite and delicate, perfectly matched with the equipment. The recommended replacement cycle is every 1 to 2 weeks to maintain the best performance of the machine Help your robot vacuum cleaner maintain good cleaning performance. As part of normal maintenance, easy to remove and replace. Product Name: Vacuum Cleaner Parts Compatible: For -CA291/CA293/391 Material: Non-woven fabric Color: Green Package Contents: 15 x Vacuum Bag Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.