... nylon,pp, horsehair bristle, and so on material to produce! good resist compression, good flexible , soft to protect ... to cut the wave shape, the two corresponding by bump for a group of brush roller, easy ... wear-resisting, brush silk does not turn back!if you want to send you sample, that is no problem, if we ... account! so if you are interested in our produce, pls don't hesitate to contact me any time ...