Penhaligon's Oud de Nil sample vial. Penhaligon's Oud de Nil travel spray comes either in 1ml, 2ml, 6ml or 12ml sizes. Scent Samples are Great if you want to try fragrance, for travelling, nights out, weddings or just for a perfume top up in a car. We have most newly released perfume, aftershave and also hard to get fragrance samples