River pebbles 1.Also Machine Made pebbles 2.Varioius colors,different sizes. 3.Good prices River pebbles1.Product name: Various natural pebbles,river pebbles,cobbles.2.Material:Natural pebbles,manmade granite, marble pebbles3.Size: 1-2cm, 2-4mm,5-8mm,8-12mm, 12-16mm, 16-20mm, 20-25mm,25-32mm....etc4.Colors: White, Red, Yellow, Black, Grey, Green, Blue, Mixed, ....5.Packing: 25kg/bag in Jumbo ton ...