ITEM: Genuine Japanese Triple Red Line Super Hard Akadama Bonsai Soil - Heat treated at 250 degree Celsius. - One of the best component for bonsai soil mixes. - Often combined with Hyuga, Kanuma, Kiryu, sand, lava, or composted bark. - It's natural porous allowing for absorption of water and nutrients. - Improves soil drainage and aeration, oxygen is essential for roots development. - Akadama color darkens when moist which helps set water schedules. - 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: LARGE Particles are approximately from 10.0 mm - 18.0 mm SIZE: MEDIUM Particles are approximately from 6.0 mm - 10.0 mm SIZE: SMALL Particles are approximately from 3.0 mm - 6.0 mm SIZE: SHOHIN Particles are approximately from 2.0 mm - 3.0 mm SIZE: FINE Particles are approximately from 1.0mm - 1.5mm VOLUME: approx. 14 Liter SHIPPING: - We ship in original imported Japanese bag. - This shipment cost cannot be combined with other items.