Cap Diameter 22 mm Screw Closure Size 17-11 mm Closure Material HDPE Product Type Screw On Cap Closure Color Green Closure Liner Material Unlined Closure Type Screw On Autoclavable No Septa Included No Vented No Mouth Size Narrow Standards Not Applicable Special Features Only for 15 mL Centrifuge Tubes Closure Liner Design Molded-In Seal Ring Package Quantity 500