Note: Screw cap, bonded, blue, PFTE/red silicone septa, 100/pk.Cap size: 12 mm. Gasket is precut.Product FeaturesCap ColorBlueCap MaterialPolypropyleneCap Size9 mmCertifiedNoIncludes SeptaYesPre-Slit SeptaNoProduct TypeCaps & septaRepeat InjectionsNoSepta LayeringBi-LayerSepta MaterialPTFE/red siliconeTechniqueGCThread Size9-425UNSPSC Code41121806Vial TypeScrewSuitable HPLC Vials Link: 2ml HPLC Amber Glass Vials and 300 μL Insert Volume Kit, 100/pk | eBay 2mL HPLC Amber Glass Screw Thread Vials, 100/PK | eBay