A class that includes different components for the Document Instance Profile description Consider the document instance -requested by the client- as a resource and give a detailed description about it. Here the resource is described independetly to the included resources (images, etc.) A brief description of the included media resources. The included resources profile are given as links using the 'profile' element. Description of related resources that can adapt the document instance. The bag can include existing variants and also the adaptation method description, that can adapt the instance to other resources formats. The type of the instance document Example: HTML, SMIL The format of the file that stores the document instance Example: html, smi The version of instance document Example: 4.01 The doctype file of the corresponding document type Example: http://www.w3.org/TR/html4/loose.dtd The file name of the document instance document Exmaple: EXAMPLE.html The content language of the content document Example: english The size of the instance document file Example: "910Bytes" The local location of the document instance file Example: NEGOTIATION/WAP/ The adress of the server that stores the document instance file Example: http://yap.inrialpes.fr/ The bag includes the description of every resource that exists in the document instance. Each element of the bag describes a type of resources and gives a link to the corresponding detailed profile This bag includes the list of the resources that can adapt the file document instance. The resource can already exist or described in term of an adaptation method. A value that indicates the adaptability level is also given.