Efficiently 5 Layers Design: Our vacuum cleaner bags offer premium materials for cleaning. The multiple design with 5 layers, 2 layers of thickend PP non-woven fabric, 2 layers of hot air cotton and 1 layer of melt blown cloth are integrated into the for vacuum cleaner bags. These 3d efficiency for GN vacuum bags effectively trap 99.95% dirt, fine dust and trash, preventing them from recirculating into the air. Self-locking Collar: The bags fit for vacuum cleaner bags GN with latex sealing ring collar that perfectly match your vacuum machine, and the for compact c1 vacuum bags ring collar using material does not add extra weight to the machine. Precision Solder Joints: Our vacuum bags use low voltage pressure technique on joints to that our product fits for vacuum bags is stronger than others, which have a large capacity that can easily hold 2.5-3 liters of trash. Compatible Models: for GN vacuum bag, for vacuum cleaner bags FJM, Classic C1, Complete C2, Complete C3, S2110, S2111, S2120, S2121, S2130, S2131, S2180, S2181, S300I, S400, S400I, S401I, S402I, S404I, S408I, S410I, S411I, S412I, S414I, S420I, S4212P, S4212T, S421I, S422I, S424I, S426I, S428I, S434I, S436I, S438I, S5481, S5510, S5980, S600, S612, S644, S646, S648, S658, S812, S826, S828, S8320, S834, S8340, S836, S838, S844, S846, for 300 vacuum bags. Colour:Photo Color Material:non-woven fabric Package Contents: 16 x dust bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.