ITEM: 10 Cups Super Blend Premium Bonsai Tree Soil – 10 cups = 2.5 quarts- Contains beneficial soil microbes plus mycorrhizae.- Good drainage, helps the soil stay moist not soggy.- Good aeration, excellent water and nutrient retention.- All ingredients have been sieved to discard dust and large particle. INORGANIC INGREDIENT: 40%Red lava, Turface, Pumice and Coarse Sand. ORGANIC AMENDMENT: 60%Composted Fir Bark, Mulch and Forest Bark. SIZE :Particles are from 1/8″ to 3/8″ (Approx.) SHIPPING:Soil will be sent in a USPS priority mail small flat rate envelop.Soil’s shipment cost cannot be combined with other items.