From official page:

Meaning “art gallery,” the name is taken from the beautiful pieces that inspired this beautiful yarn. The rich colors and material create a penetrating depth. Suitable for creating garments with a sense of depth using either a crochet hook or a knitting needle.

Stick Needle JP 4〜6
Crochet Needle JP 5/0〜6/0
Gauge 22-23 sts 29-30 rows

Average usage

• Women’s pullover: 280g
• Men’s pullover: 320g