1) Available in all specifications as you require, Dia0.8-1.2cm, 1-2cm, 2-3cm, 3-5cm, 5-8cm etc. 2) Colors: White, black, red, green, pink, yellow, pink, black & white, multicolor, five colors etc. 3)Surface polished or not, natural or machine-made both are OK. 4) Packing: 20kgs in a PVC bag and then 40 bags in a bulk bag.