Ice Blue Gravel bulk bags are made up of 10mm - 20mm light blue & light grey marble gravel pieces with angular edges. Ideal for driveways, rockeries and boarders. Features: Size: 10mm -20mm Colour: Light Blue & Light Grey Shape: Angular Rock Type: Marble Fish Friendly: No Supplied Washed: Yes Lime Free: Yes Recycled: Yes Available in 20kg Poly bags or 850kg Bulk bag.