Product Description:Name: Hole PlugsMaterial:Silicone RubberColor: black, white,grey,transparentSize (A) : 11.5mm 12mm 12.5mm 15mm 16mmIf you need different sizes, please touch us.Temperature resistance: -40℃ to +250℃Features:Silicone rubber is a gentle and elastic materials with nice sealing type, high temperature resistance, anti-aging, acid and alkali corrosion resistance.The data is for reference only, please confer with the particular product!Package Include:According in your Choose!