The subject is focused on trades of textile fibres (world marketing, movement of prices, fibre exchanges), on the identification of textile fibres in semi-finished and final textile products - the identification of fibres in blends and textile products with the final finishes. Furthermore, the subject deals with the labelling of fibre components in textile goods. The relation between fibre composition and properties of textile goods is explained. It also deals with BIO and ECO textile products. The structure of yarns and types of fancy yarns are discussed. It is also explained types, properties and usage of nonwoven textile materials.