... comfortable 3.Any color and shape available 4.Reasonable price silicone button for caculatorPackaging & Delivery: Packaging Detail: Inner package is PP ... Telephone, Interphone, Remote Control, Computer, ToySilicon Rubber Button(Remote Control Keypad,Silicone Keypad)of telephone, interphone, remote control,computer, toy etc ... : less than 200Ω;7.Operation temperature: -20 ~ 70°C. silicone button