Made of high quality material, professional and durable to use, long service life.Exquisite and delicate, highly matched with equipment.recommended replacement cycle is every 1-2 week to maintain the best performance of the machineHelp your robot vacuum cleaner maintain the good cleaning performance.As part of normal maintenance, Easy to remove and replace.Product name Vacuum Cleaner PartsCompatible for Ecovacs robot vacuum cleaner accessories T5/N5/N8/DV35Colour blueMaterial Cotton BlendPackage Contents 6 x cotton ragOnly the above package content, other products are not included.Note Light shooting 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.