High-Efficiency Filtration: The non-woven surface layer and inner melt-blown non-woven fabric are designed to capture large dust particles. Premium Activated Carbon: Integrated activated carbon helps absorb odors. Good Seal Design: Ensures tight sealing to prevent leakage of dust or ash, helping to keep captured particles contained. The dust bag, made of melt-blown and non-woven fabric, works with the cleaning station to capture 99.7% of particles as small as 0.3 microns. Auto Lock Feature: Automatically seals the dust bag inlet when lifted, locking dust and debris inside. Perfect Fit: 20 dust bags compatible with ECOVACS DEEBOT T50/X8 PRO Robot Vacuum. Color: White. Material: Non-woven fabrics. Package Contents: 20 x Dust Bags. Note: Light reflection and display differences may cause slight variations in color. Measurement may vary by +/- 1-3 cm.