These Sample Bottles are perfect for storing and transporting small quantities of liquids such as essential oils, perfumes, or other specialty liquids. Each set includes 12 transparent bottles with a capacity of 4 ml (0.14 fl oz. / 1 dram), making them ideal for sampling or travel. The bottles are compact, measuring 3.7 cm or 1.5 inches in height and 1.6 cm or 0.6 inches in diameter, ensuring they fit easily in pockets, bags, or storage cases. Each bottle is equipped with a secure black cap that prevents leaks and keeps the contents safe. These versatile bottles are a must-have for anyone needing reliable small-scale storage solutions.