Agonist samples. Agonist Samples come in refillable atomizers which are either in 2ml, 6ml or 12mls sizes. Agonist Scent Samples are Great if you want to try fragrance for your travels, ladies handbags or for your car. Fragrance samples are Refillable after finished. We have most new released perfume samples, aftershave samples and also hard to get fragrance samples.The Perfume Samples come in high quality glass atomizers no cheap plastic. Try Your Desired Fragrance before you buy.