The fabric was purchased in Anders, Besonders, Gut in Pivitsheide (near Detmold/Bielefeld/Köln). We had great fun with the shopkeeper, and she was extremely helpful too.
There's a mobile phone pocket inside and a zippable pocket. The zipped pocket is lined in pink satin, forgot to take a photo.
The side of the bag has rings which will clip onto exhisting hooks on the pram: