1)Material:100%silicone ,conductive keypads, soft and stretchy. 2)ues:mobile pthone keyboards.remote controllers,calculators,ha 1)Material:100%silicone ,conductive keypads, soft and stretchy.2)ues:mobile pthone keyboards.remote controllers,calculators,hand-held games,pcs,note computers,switchs,databanks.typewriters.rubber washer.micro measurement equipment.3)buttons with good bounce.4)long life ...