and many others according to the invention the process may be applied to any fabric known in the art woven knitted or non woven in particular the bleaching process may be applied to cellulose containing or cellulosic fabrics such as cotton viscose rayon ramie linen lyocell e g tencel produced by courtaulds fibers or mixtures thereof or mixtures of any of these fibres or mixtures of any of these fibres together with synthetic fibres e g polyester polyamide nylon or other natural fibers such as wool and silk the term 34 wool 34 includes any commercially useful animal hair product for example wool from sheep camel rabbit goat or llamas and includes wool fiber and animal hair the method of the invention can be used with wool or animal hair material in the form of top fiber yarn or woven or knitted fabric the enzymatic treatment can also be carried out on loose flock or on garments made from wool or animal hair material the treatment can be performed at many different stages of processing the term 34 shrinkage 34 refers to the felting shrinkage of fibers as defined in iws tm 31 i e felting shrinkage is the irreversible shrinkage caused by progressive entanglement of the wool fibers induced by washing in an aqueous solution and is defined as the reduction in length and or width induced by washing shrinkage can be measured in accordance with iws tm 31 or it can be measured using the following modification wool samples 24 cm u00d7 24 cm are sewed around the.