Reclam collects and sells recycled glass known as cullet. Cullet is graded according to colour (amber, green and flint) and type (bottle glass, plate and mirror glass, armoured and laminated glass) and distributed to glass manufacturers in South Africa, who then use it to manufacture bottles and other glass products. The use of glass cullet is more energy efficient and results in lower levels of atmospheric emissions than the use of virgin raw materials in the production of glass. Thus, manufacturers generally prefer to use as much cullet as possible.