Four side seal: hetian jade2.2 cm long and 2 cm wide, 1.8 cm high and weighs 19.5 gBased on essence of hetian jade, jade is exquisite as coagulate fat, quality excellent, meticulous and warm.Seals square, austere like that, art of using saber fluent resolute, regardless of the materials, methods, metaphor is impeccable.