red rubber valve Material: silicone Hardness:Shore40,50,60,70,80, ... DescriptionMaterial: SiliconeHardness:Shore40,50,60,70,80,90Color: black,white,red,green,yellow,blue,brown,orangeAdvantageAging resistance, high/low temperature resistance ... .Packing Spec.Standard packing: a. plastic bag inside with barcode; b. carton outside, 46*34*34 cmNot-standard packing: follow customers ...