CHENGYIDA 2PCS Calligraphy Stamp Seal Painting Red Ink Paste Chinese Yinni Pad (30g per one) 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. One Net weight: 30g Red Ink Paste Size: refer to picture 3