[Compatibility Models]: This vaccum dust bag is fit compatible LG CordZero All-in-One Tower A939KBGS, A938KBGS, A937KGMS, A949KTMS. Please confirm your machine model be compatiblee ordering. [High Efficiency Filtration]: The vacuum dust bag features 4-Layer Effective Filtration System. Made of 2-layer superfine melt-blown fiber filter layer which can firmly lock 99.9% of the small garbage and 2-layer non-woven fabrics. [Good Sealing]: The replacement dust bag is made of high quality PP material and high strength precision non-woven fabric. Sealed without dust leakage, effectively blocking 99.97% of dust, dirt, grime, dust, pet hair and debris. [Easy to install]: The replacement vacuum bag is perfectly compatible with your robotic vacuum, you can easily complete the replacement. Just remove the full bag, then install the dust bag in place along the bracket slot. To keep your LG vacuum running at its best, please clean and replace the dust bag regularly. [Package included]: You will receive 7 cordless vacuum bag replacement compatible LG vacuum Cleaner. : Material:Non-woven fabrics Package Contents: 7 * dust bags 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.