Big Mouth Vial, Capacity – Metric 30 mL, Capacity – English 1.01 fl oz, Body Diameter – Metric 36 mm, Product Type Vial, Body Material Soda Lime Glass, Neck Size 28.5 mm, Body Color Amber, Glassware Class B, Overall Height – Metric 58 mm, Number of Vials Included 500, Basic Material Glass, Special Features Large Labeling Surface, Pet Vial is an Alternative to Glass and Costs Less to Ship, use with Wheaton(R) Tamper Evident Safety Cap, USP Specification Type III, Package Quantity 500