Product line extension
A product line extension is the use of an established product brand name for a new item in the same product category.
Line Extensions occur when a company introduces additional items in the same product category under the same brand name such as new flavors, forms, colors, added ingredients, package sizes. This is as opposed to brand extension which is a new product in a totally different product category. Line extension occurs when the company lengthens its product line beyond its current range. The company can extend its product line down-market stretch, up-market stretch, or both ways.