Closure Diameter 11 mm Screw Closure Size 11 mm Closure Material Aluminum Product Type Crimp Cap Closure Color Silver Closure Liner Material PTFE/Silicone Closure Type Crimp Seal Autoclavable No Septa Included Yes Vented No Mouth Size Narrow Standards Not Applicable Special Features PTFE/Silicone/PTFE Septa Liner Closure Liner Design Flat Package Quantity 1000