... OEM rubber push buttonDescriptions:1.Material: NBR rubber, also can use Natural rubber,Styrene-butadiene rubber,Butyl rubber,Silicone rubber, Chlorohydrine rubber and Methacrylate rubber, etc ... let me know these infor .Material ( if you don't know ,let me know the use) .Hardness or duro ... quantity orderPayment terms: 1. L/C at sight 2. T/T, PAYPAL ,30% deposite before mass production , balance should ...