Make of ABS materials, it is rusts resistant and Enduring, and can be used for long time. Effectively prevents the spread of dirt odors in the sewer and keep the air around the washbasin freshs. Flexible pipe can be easily expanded and bents into Ushape, Sshape or other shape. Convenient connection. It is ecessary for any sink, ensuring smooth water flows none blockages. Suitable for most wash basins. Suitable for people in households, hotel, public places, and other areas who need to solve the problem of in washbasin sewers.