Yarn is made in China for a Japanese company (ごしょう産業株式会社　Gosyo Co., Ltd.). It seems this company also make the Pierrot Yarns for which there is a Ravelry group.

100% acrylic

Japanese knitting needle size: #8-#10
Japanese crochet hook size: #6-#10
Gauge: 18 stitches 24 rows

Care directions: Hand wash, line dry, lowest temperature iron with a pressing cloth between yarn and iron test on a sample first

Details in Japanese are shown on the label in the picture