Gravel material Natural stones Gravel size 1-2mm, 2-3mm, 3-5mm, 5-10mm, 10-20mm, 20-30mm, 30-50-mm, 50-80mm, 80-150mm, or as customer's require size Gravel color black, white, red, Gravel minimum order one 20 foot container Gravel quality commitment Gravel usage park, garden, driveway, house decorations, landscaping, decoration, paving material, fountain, ec 20/25kg plastic bag then in bulk woven bag ( or on wooden pallets )