Seamless Compatibility: Specifically engineered for Combo 2 Essential Robot Vacuum Q0520, 105 Combo, Plus 405 Combo, and Plus 505 Combo. These replacement bags 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