Faller Premium Terrain Flock Ground Cover is ideal for simulating grass and tree leaves on your layout. Suitable for any scale, the material is made of colored ground foam. The terrain flock easily applied over your layout base on either a layer of glue (such as diluted white glue) or dry and then sprayed with a liberal amount of diluted white glue or other liquid scenery cement. Fine terrain flock is ideal for use as tree leaves or as grass.