silicone seal 1.soft,flexible 2.nontoxic,won't bring in impurities 3.heat resistant 4,Factory direct ... parts,valves,metal hardware Household appliance products and electrical productsLightingLaptop,Computer,phone etcQuality standardISO,SGS,ROHS,REACH,LFGB,FDA has ... Mould time5 days for mould makingDelivery7-10 days for productionPaymentT/T or Western uion MOQ5000pcsSample PolicySamples for free , 1-2 ...