Cap Diameter 22 mm Screw Closure Size 22-400 mm Closure Material Polypropylene Product Type Screw On Cap Closure Color White Closure Liner Material PTFE Silicone Closure Type Screw On Autoclavable Yes Special Features Liner Ideal For Storage and Retrieval of Volatile Solvents Sensitive Compounds and Corrosive Chemicals Closure Liner Design Open Top Package Quantity 100