Check the listing for details. Premium Mixed Akadama Bonsai Soil w/Lava, Maifan, Mycorrhizae & Sand - Medium. Condition: New. Listed at 15.99 USD. ITEM: New Premium Mixed Akadama Bonsai Soil with Coarse Sand, Lava, Maifan & Mycorrhizae- Ready to use, Contain beneficial soil microbes and mycorrhizae. - Provides good water drainage and moisture retention, excellent nutrient uptake.- Professionally blended premium bonsai soil, providing optimum growth for all kind of bonsai tree.- Formulated with enriched growing medium - akadama, maifan stone, composted fir bark etc., all were sifted prior to mixing.- Product of USA.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 INORGANIC INGREDIENT: 40 - 50%%Japanese Hard Akadama, Coarse Sand, Maifan Stone & Red Lava. ORGANIC AMENDMENT: 50% - 60%Composted Fir Bark, Forest Bark, Mulch & Vermiculite.GRAIN SIZE: MEDIUM- Particles are approximately from 3/16" - 3/8" (6.0 mm - 10.0 mm)- Use small-sized soil for the upper layer of the bonsai pot and use medium-sized soil in the lower layer for optimal drainage. VOLUME: US Dry Gal. 1 Quart = 4 Cups = 0.25 Gal.2.5 Quarts = 10 Cups = 0.625 Gal.2 Gal. = 8 Quarts = 32 Cups3 Gal. = 12 Quarts = 48 CupsSHIPPING:- This shipment cost cannot be combined with other items.- Shipped with durable sealed packaging, resealable zip lock standup pouch. ( Quarts )