Snack bars having nut spread fillings are disclosed. First and second closure profiles are connected to respective side surfaces and positioned adjacent to the opening of the bag. The method involves transmitting a configuration request from the remote device to the central server, including a request for a location to retrieve the latest configuration file from. The invention also relates to a method for producing a housing part for a mobile telephone provided with an elastic seal according to the two-color injection molding method. The communication device also includes a controller for selecting the communication channel, the communication protocol, and the identification information corresponding to the specifying information of a receiving communication device, from registered information within an ability management table, and for carrying out the communication by the communication unit. The composition disclosed comprises cupric salts as an oxidizing agent and also preferably comprises complexing agents such as ethylene diamine tetraocetic acid.