uxcell a15052200ux0386 5 Pcs 4mm 0.2" Silicone Blanking Cap Intake Vacuum Hose End Bung Blue, 5 Pack Product name: silicone blanking cap Package content: 5 x silicone blanking cap Color: Blue Material: silicone Dimension: 23 x 4mm/ 0.9 x 0.2 inches)