Calligraphy Stamp Seal Painting Red Ink Paste Chinese Yinni Pad 36g Best Price Red ink paste, called 'Yinni' in Chinese, means literally 'seal clay' . Red calligraphy ink is used in the traditional calligraphy arts of writing, painting, stamping and seals. Size: 62mm diameter x 15mm height. Net weight: 36g Red Ink Paste