Cap, Diameter 33 mm, Screw Closure Size 33-400 mm, Closure Material Phenolic, Product Type Screw On Cap, Closure Color Black, Closure Liner Material Pulp/Vinyl, Closure Type Screw On, Autoclavable No, Septa Included No, Vented No, Mouth Size Narrow, Standards Not Applicable, Special Features Liquid-Tight, Closure Liner Design Flat, Package Quantity 12