General description Pack of 10 dust bags designed for iRobot Robert Sweeper models i7, i3, E5, E6, and S9. These high-quality dust bags are made from two layers of fine fibers and two unique fabrics, ensuring durability and effective dust containment. Technical specifications Material: Two layers of fine fibers and two unusual fabrics Design: Shock-resistant with dense fabrics Features: Opening/closing flap to prevent dust and pollen escape Closure: Secure sliding door design Usage It is recommended to replace the iRobot Roomba replacement kits every 2 to 3 months to maintain cleaning efficiency and minimize the spread of dust, pollen, and other allergens in the air.