Septa Diameter 24 mm Screw Closure Size 24-400 mm Closure Material PTFE Product Type Septa Closure Color Natural Closure Liner Material PTFE/Silicone Closure Type Septa Autoclavable Yes Septa Included Yes Vented No Mouth Size Narrow Standards Not Applicable Special Features For Use with Injectables Resists Coring and Provides Great Resealability Closure Liner Design Flat Package Quantity 100