Cap Diameter 12 mm 13 mm 16 mm Screw Closure Size Not Applicable Closure Material Polyethylene Product Type Universal Snap Cap Closure Color Gray Closure Liner Material Unlined Closure Type Snap On Autoclavable No Septa Included No Vented No Mouth Size Not Applicable Standards Not Applicable Special Features Flexible Closures Protect From Aerosols of Highly Infectious Microorganisms Closure Liner Design Not Applicable Package Quantity 1000