Length: 21cm This is a necklace made from antique Oshima Tsumugi silk and kimono cords. Necklace top: 3 x 4cm It's made by backing with cardboard, applying Japanese paper and old documents, and then coating with persimmon tannin. This is handmade, so there may be some imperfections like warping or misalignment. Thank you for your understanding.