Seamless Compatibility: Specifically engineered for iRobot Roomba Combo 2 Essential Robot Vacuum Q0520, Roomba 105 Combo, Roomba Plus 405 Combo, and Roomba Plus 505 Combo. These replacement bags ensure a perfect fit, snapping securely into the dustbin compartment effortlessly and reliably. Eco-Conscious Design: Constructed from biodegradable materials including cardboard and non-woven fabric, these dust bags offer a sustainable alternative. They decompose three times faster than standard bags, significantly reducing plastic waste and promoting environmental responsibility. Leak-Proof Efficiency: Featuring a triple-layered filtration system and a robust airtight seal, these bags effectively contain dust and debris without spillage. Even when full, the bags can be disposed of neatly and cleanly, ensuring no residual waste is left behind. Superior Filtration Performance: Equipped with a thickened filtration layer, these bags trap 99% of microscopic particles down to 0.5 microns, including dust, pollen, and pet dander. This advanced filtration technology helps in maintaining a cleaner and healthier home environment. Cost-Effective Bulk Pack: Each bag in this can hold up to 2.9 litres of dust, allowing for extended use of up to 2-3 months per bag. This makes it an economical choice for households with pets or higher cleaning demands, ensuring you have a ready supply of replacement bags. Color: As shown Material: Non-woven fabric Package Contents: 12 x Dust Bag