#PSA When writing a customs declaration, keep in mind that you are not writing it for yourself, to know what exactly is in the package, or for the recipient, who presumably expects the package, but for customs agents who have no clue BUT your customs declaration as to the contents.
So, to pick two examples from kickstarters I supported, "Smartphone" is more useful than "Jelly Pro"; "Leather backpacks" is more useful than "DB1 overnighter set pl chocolate"