Virus, Synthetic Hemp Footbag 12 Panels Hacky Sack Bag Sand Filled Panels: 12 Material: Synthetic Hemp Filling: Sand Weight: 60 Grams /2.1 ounces Diameter: 5.5 cm / 2 .5 inches Fill level: Medium-Loose Kicks better than a natural hemp, but last as long! Filled with sand for great control!