Diptyque 34 Boulevard Saint Germain Travel Spray - sample. Diptyque Trente Quatre Boulevard Saint Germain sample is in refillable atomizer sizes 2ml, 6ml or 12ml. Small Perfumes are Great if you want to try fragrance, for travelling or to use in your car. The Atomizers can be refilled. Available are most samples of new perfumes. Our Perfume Samples are fully recyclable.