Darth Vader & Stormtrooper 1/1 size papercraft helmets

[PAMPatine]

Hey guys! has anyone else seen or have any info on these papercraft helmets? It seems that they are made in Japan. I was able to find some links below, but they're all in Japanese.

https://www.ieps.co.jp/ishop/02.html

Vader: https://www.amazon.co.jp/dp/B06X191...coding=UTF8&psc=1&refRID=GDZWZTQRCZP9EVTHXYNX

Stormtrooper: https://www.amazon.co.jp/gp/product...mini_detail?ie=UTF8&psc=1&smid=A32ZJ3H3TV561Y