Bottled in bond isn't just some marketing term on your whiskey. It turns out that this label is pretty informative. Here's ...

As you can tell by the name, it's bottled in bond, meaning that the whiskey is at least 4 years old, exactly 100 proof, and the product of one distillery (Heaven Hill) and one distillation season.

The Bottled in Bond Act was passed in 1897 to ensure the quality of whiskey at a time when unsavory—and sometimes dangerous—ingredients were added by unscrupulous producers.