- hetian jade seed makings "to play the piano takes * * ta" BanZhi boxes.Specification: box of 13.6 cm high 7.2 cm wide weighs 498.6 gHigh BanZhi 3 cm inner diameter 2.1 cm weighs 51.7 g / 54.8 g.Collection from hetian jade, quality of a material is exquisite moist, coagulation embellish channeling, full carving work takes * * ta man to play the piano.Engraved on the back poems, BanZhi original, carved lotus patterns, depict the full smoothly, quaint dignified, norm of grain, as for enjoying wearing.