Calcium Carbonate [CaCO3] 97.55% ACS Grade Powder 1 Lb in Two

What the brand says

Sold as “Calcium Carbonate [CaCO3] 97.55% ACS Grade Powder 1 Lb in Two Space-Saver Bottles”

You are buying 16 Ounces (by weight) of Calcium Carbonate. The item is in TWO 8 Fluid Ounce (by volume) Polypropylene bottles. Calcium Carbonate (CaCO3); also known as Limestone, Calcite, Lime, Agricultural Lime; has hundreds of uses. Bottles are made of sturdy polypropylene. The square, “space-saver” shape ensures that the bottles fit snugly on a shelf. The wide mouth makes for easy dispensing and stackability. To ensure a spill-free journey, the screw tops are heat-sealed and the bottles are sealed in plastic.