4mm AUTUMN TONE STATIC GRASS 50g - Now with the use of a professional static grass device, you can create many of the highly desired grassy effects that Silflor is famous for. All loose static grasses match perfectly with the full line of the Silflor mats, prairie tufts, and pathways. Each pack contains approximately 1-1/4 cups of static grass and covers approximately 6 sq. ft.