Material: mesh cover made of polyethylene, tasteless, elastic. Size Approx: (L) 4.7 in. x (W) can be adapted to different sizes of brush (especially small size is not suitable ,like lip brush or eyeliner brush ) Use simple: can repeat the use of the net cover, use the brush handle into the net cover, it is also very convenient to remove, will not hurt the bristles Save a space: mesh cover protects a case to be able to help you save a lot of space, the brush is in make up bag, also won't be out of shape easily Package includes 200 pack, so you can apply them for a long time or share with your friends