The box for the NH-L12 is in normal Noctua styling.
This front has some of the features listed.
Back side has the fan specifications, and a small dimensional drawing of the cooler.
Right side has Listing of all the features.
Left side has a small blurb is many languages about how the NH-L12 is for small enclosures.
First opening the box you find the accessories box.
Under that is a well packed and fully assembled NH-L12
To prevent the heatpipes from being bent there is a dense foam rubber spacer between the cooler base and the 92mm fan.
All the accessories come in clearly labeled bags: Intel, AMD, Common Parts. Noctua also provides a long handle screw driver.