The fabric is likely silk, but there is no indication, so I'm not sure. The brand is also unknown. This was something my family cherished, and it's in very good condition. 【Size】 Length from shoulder: Approximately 134.5 cm 裄丈 (Yuki丈): Approximately 65.5 cm Sleeve length: Approximately 45 cm Sleeve width: Approximately 33.5 cm Cuff: Approximately 19 cm ※ Sizes are approximate.