Japan Post to strenghten inspections of the names of declared content.

If the declared content is not accurate enough, pacake will be returned to warehouse, members are required to declare the content again. An accurate description of your shipment’s contents is essential for timely customs clearance, please fill in the declaration properly.

Bad Description: Gift, Goods, Samples, FireEmblem Cards Series 1, Panasonic EN-NA0E, Kimetsu No Yaiba etc.

Good Description: A pair of sneakers, A box of LEGO, Wool cardigan samples, Game Cards, Panasonic hair dryer, Manga (comics or graphic novels) 

The following is a good example provided by Japan Post:

All items are wirtten in English and Numbers.

Please refer to Japan Post website for more details: https://www.post.japanpost.jp/int/use/publication/index_en.html