Seals within the "personal" category are by far the most varied and creative in terms of design, materials, script style, and size.
私印乃私人所用，因造型、材料、字體與大小均不受限制，刻印者常福至心靈、順手拈來，出現頗多佳作。故在印文、雕刻、印鈕各方面，都有極大發展，較富藝術價值。