... :Item pu coating rubber keypadSizecustomized size Material100% silicone,including SBR ,NBR,IIR,CR,EPDM,VITON,TPR,and so on.ProcessnoUsageuse for electronic ... remake sample4. sample fee:according to your logo and design,can be free if have ready-made mould 5. sample time ... want to import some products to test the market,we can lower the MOQ rubber membrane keypad