The SE GB3-12 Glass Vial Set is a pack of 12 leak-proof vials, perfect for storing small items and valuables. The clear glass allows for easy visibility, while the black screw-on caps ensure a secure, leak-resistant seal. The vials hold 5 mL (0.169 fl. oz.) and measure 1-3/4″ in length and 9/16″ in diameter. Ideal for organizing, displaying, and safekeeping gold panning finds, party favors, scientific samples, and more. SE is dedicated to providing high-quality products at the best value for their customers.