The item for sale is 2 Lb (32 Ounces) of Calcium Chloride (CaCl2). The item is in 4 bottles each containing 8 Ounces of product. Calcium Chloride is commonly used as a refrigerant and road deicer due to its ability to depress the freezing point of water. Calcium Chloride is also hygroscopic (it absorbs water from the air around it) and can be used as a desiccant. Bottles are made of durable Polypropylene Plastic, which is a natural, translucent, lightweight, durable, and chemically resistant copolymer. The screw-top is completely leakproof. Bottle is sealed in plastic with the screw-top shrink-wrapped. HUNDREDS OF USES INCLUDING: Chemical Reagent / Food Firming Agent / Salt Substitute / Heating Pads / Pool and Aquarium “Hardener” / Candy-Making / Beer Brewing / Hygroscopic Dry Bags / Road Deicer / Drying Tubes / Phase-Change Fluids.