Cap Diameter 13 mm Screw Closure Size 13-425 mm Closure Material Phenolic Product Type Screw On Cap Closure Color Black Closure Liner Material PTFE Faced Rubber Closure Type Screw On Autoclavable Yes Vented No Mouth Size Narrow Special Features Liner Ideal For Storage and Retrieval of Volatile Solvents Sensitive Compounds and Corrosive Chemicals Closure Liner Design Solid Package Quantity 1000