Check the listing for details. 3/16" Small Grain Pumice for Seedling, Cutting, Succulent & Bonsai Tree Soil Mix. Condition: New. Listed at 14.49 USD. ITEM: New Small Pumice for Seedling, Cutting, Cactus & Succulents, Bonsai Tree Soil Mix- 100 % natural volcanic rock, the best additive for cactus & succulent, bonsai soil mix.- The porosity of rocks helps retain moisture and provids excellent soil aeration. - Sifted prior to bagging, the pumice rock is clean and of consistent size.- 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 GRAIN SIZE: SMALLParticles are approximately from 3/16" - 1/4" ( 3 mm - 6 mm ) VOLUMEU: 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 Cups SHIPPIN:- Stand, scoop and container are not included- Soil's mix shipment cost cannot be combined with other items. NOTE:All measurements are approximations and may vary by 0.25"