... %manufacture over 10 years 3.100% silicone rubber Description:Itemsilicone calculator keypadSizecustomized size Material100% silicone,including SBR ,NBR,IIR,CR,EPDM ... 15-20days usuallyPayment: 30% or 50% deposit , 70%or 50% balance T/T,Western Union before shipmentpls confirm the details before ...