Compatible with Classic C1, Complete C2, Complete C3 models and S2000-S2999 (S2) Series, S5000-S5999 (S5) Series, S8000-S8999 (S8) Series, S800-S858, and S600-S658. High efficiency: Meets vacuum cleaner bag standards with a 9-layer filtration system for maximum dust absorption, retaining more dust particles compared to conventional paper dust bags. Spring-loaded seal design: Bags capture 99.9% of dust with a self-locking auto-seal collar that ensures all particles remain trapped inside after collection. 3D bag structure: Side folds allow minimal airflow to fully inflate the 3D shape. The expanded capacity enables up to 20% longer cleaning time before replacement is needed. Material: Non-woven fabric Color: Blue + white Package Contents: 10 x dust bags 2 pairs x filter cotton Only the above items are included; other products are not part of this package. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3 cm.