Evapo-Rust Rustblock RB015, Keeps Metal Rust Free for up to 12 Months when Stored Inside, 16oz Stops rust for up to 1 year Non-toxic Biodegradable Contains no VOCs, acids, solvents, petroleum, waxes Safe for use on all Auto Parts, tools, sporting goods, grills, hardware, lawn and garden equipment and more Contains No Acids Non-Toxic Biodegradable No Fumes Safe on skin