Peking glass is an overlay carved glass created by layering material around a core, similar to Cameo glass. To create the overlay, a glass blower makes the shape, then dips the shape into a basin of liquid glass several times. This process creates multiple layers of glass that are then carved away to produce a textured image. Peking glass is often made with different colored layers of glass, creating contrast when the outer layers are carved away. Historically, many pieces of Peking glass were made with yellow glass (dubbed "Imperial Yellow") due to the colors' strong association with the Qing Imperial clan of Aisin Gioro.
