Compatibility: These replacement dust bags are compatible with Roomba i1, i1+, i3, i3+, i4, i4+, i5, i5+, i6, i6+, i7, i7+, i8, i8+, j5, j5+, j6, j6+, j7, j7+, j8, j8+, j9, j9+, s9, s9+ models, ensuring a proper fit and reliable performance for optimal cleaning results. Over 99.9% Filtration Performance: Constructed with 4 layers of high-strength precision fabric, including 2 layers of superfine melt-blown fiber filter and 2 layers of non-woven fabric. Effectively captures over 99.9% of dirt, dust, and hair particles. Durable and Well-Sealed: Features an 8mm widened seam design for enhanced durability and strength. Each bag securely holds dirt, debris, and particles as small as 0.3 microns. Compatible with automatic dirt disposal systems. Upgraded Self-Locking Collar Design: Improved self-locking collar helps prevent dust leakage and reduces the risk of secondary contamination. Designed for easy, mess-free bag changes without scattering dust. Quantity: 10PCS or 12PCS Color: As shown Material: Non-woven fabric Package Contents: 10 x dust bags or 12 x dust bags Note: The package includes only the items listed above. Other accessories are not included. Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.