Pure Tin Metal (99.8%+) Flakes (like popcorn). Very easy to weigh out small amounts like ounces and grams without having to cut anything. Sold By the Pound ie. 1 Quantity ~0.9 to 1.1 Pounds Physical Information Atomic Number: 50, Relative Atomic Mass (12C=12.000): 118.71, Melting Point: 450F, Boiling Point: 4100F, Density: 7.29, Weight Lb/in3: 0.2633