*The glaze is prepared by the customer with safe natural ore and fired at high temperature (above 1250 degrees). It can be used with peace of mind. *The pictures of the works are all taken in real products. Photographing and various screens and different ambient light sources will inevitably have color difference. * Non-mechanized uniformity, with irregular hand-made traces, pottery glaze fired at high temperature, or black iron spots, small quartz particles, glaze flow, etc., for the hand-made products, the characteristics are simple, please buyers agree .