Closure Diameter 11 mm Screw Closure Size 11 mm Closure Material Polypropylene Product Type Crimp Cap Closure Color Green Closure Liner Material PTFE/Rubber Closure Type Crimp Seal Autoclavable No Septa Included Yes Vented No Mouth Size Narrow Standards Not Applicable Special Features Provides Airtight Vial Seals Closure Liner Design Flat Package Quantity 1000