Molded glass ashtrays are smoking accessories produced through a process in which molten glass is poured into molds, creating uniform shapes and designs. First popularized in the early 20th century, these ashtrays offered an affordable and efficient alternative to hand-cut glass or ceramic versions. Molded glass ashtrays became widespread in homes, offices, and public spaces, thanks to their durability and the ability to mass-produce them in a variety of styles. They were often made in clear or colored glass, with some incorporating decorative elements such as pressed patterns, textured surfaces, or embossed logos.