Banh Ph'o' Thu'o'ng Hang
Chantaboon Rice Stick
Ingredients - rice flour and water.
Thanh Phan Dinh Duong.
ETA: (sorry, I forgot about moderated status and then I couldn't edit the post because it hadn't posted and I went to bed before it did post) I did google the name of the noodles and came up with instructions to soak in warm water for an hour (here: http://importfood.com/nogl4001.html