Geotextiles are made up of polypropene fibers that are tangled along by a needle-punching method. The fibers could also be created in continuous or short lengths and reach their strength by interlocking. Geotextiles are used for filtration of soil fines for drain applications as well as trench drain. Needle Punched Geotextiles to limit soil particles however enable water to simply submit to makes them excellent for filtration and separation applications.