Cap Diameter 13 mm Screw Closure Size 13-415 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 Standards ASTM E982 Special Features Excellent for Sample Storage and Re-Sealing Closure Liner Design Solid Package Quantity 500