In the television show Breaking Bad, what is the street name of Walter and Jesse's notorious product?

The street name of Walter and Jesse's notorious product in the television show Breaking Bad is "Blue Sky." The vivid blue color of their methamphetamine, resembling the color of the sky, gave it its distinctive street name. This branding not only set their product apart from the rest but also served as a symbol of their unique and unrivaled product quality, which became highly sought after within the drug trade.