Check the listing for details. Calcium Carbonate, 1oz, Pure Food Grade, Sturdy Bottle SHIPS SAME DAY. Condition: New. Listed at 4.95 USD. Calcium Carbonate CaCO3 Weight 1 Ounce Volume 1 Fluid Ounce Chemical Formula CaCO3 Purity Ultra-Pure 97.55% Grade Reagent/Food Grade Consistency Fine Powder CAS Number 471-34-1 You are purchasing 1 Ounce (by weight) of Calcium Carbonate. The item ships in a 1 Fluid Ounce Polypropylene bottle. Calcium Carbonate; also known as Limestone, Calcite, Lime, Agricultural Lime; has hundreds of uses. For more information, go to: http://en.wikipedia.org/wiki/Calcium_carbonate FREE EXPEDITED SHIPPING We ship THREE TIMES A DAY, 7-Days a week. Your item is guaranteed to be in the mail the SAME DAY you place your order. Transit time from California is 2-4 days throughout the USA. Our bottles are made of sturdy polypropylene. We shrink-wrap the screw tops and seal the bottles in plastic to ensure a spill-free journey.