... colors,sizes,materials 3)oil-resistant,water-resistance,anti aging 4)fast delivery Anti dust rubber caps:Customized drawings and specification and samples ... , RoHS,FDA, etc3, Feature: Smooth, stain-free, waterproof, oil resistant, anti-aging, insulation, nontoxic, tasteless, etc 4. Various in colors and ... for more detailed information.Thanks for your consideration.Products show: Anti dust rubber cap