Gravel is sized to model gravel roads more realistically. Use Accent for shoulders and to model bare spots on roads.
Gravel 10.8 in3 (176 cm3)
Accent Powder 1.8 in3 (29.4 cm3)
Coverage: Models a gravel road 14′ x 2″ (4.26 m x 5.08 cm)
Actual coverage depends on usage.