ITEM: Pre-mix containing akadama, ezo pumice, fired kiryu, and a small amount of wood charcoal. - This soil is blended for Pines, Acer, Juniper and Broad-Leaf bonsai trees. - This soil has been steam sterilization in order to kill disease-causing germs, nematode and so on to hasten the growth of plants. - Mix with other favorite organic medium (compost, bark, etc.) for use. - Product of Japan. PLEASE NOTE: This product contains a small amount of debris, is a normal phenomenon, since the transport process can not avoid friction, pressure and other circumstances lead to some of the powder situation. Thank you for your understanding SIZE: SMALL Particles are approximately from 3.0 mm - 6.0 mm VOLUME: approx. 14 Liter. SHIPPING: - We ship in original imported Japanese bag. - This shipment cost cannot be combined with other items.