Dimension - diameter: 2.5cm length: 14cm. Tube material: hard plastic PET, cap material: aluminum. Durable and reusable.For the storage of sweets, crafts, samples and liquids etc. These test tubes are perfectly waterproof to keep your stored items dry. Product Put the small items in these test tubes to prevent them from being lost and it is very easy to find and take them out when you need them. These 40ml test tubes can be used to store candies, crafts, liquids etc. High quality, reusable. Features: Capacity: 40ml. Color: Transparent. Dimensions: 2.5cm x 14cm Material: hard plastic tube, aluminum cap. Package includes: 12 test tubes of 40ML Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.