This rubbery case is described here (just about right one, as still non-tacky one, or rather I’d categorize as non-tacky one, for sure), please read about which material used (although similar ones exist too):
This rubbery case is described here (just about right one, as still non-tacky one, or rather I’d categorize as non-tacky one, for sure), please read about which material used (although similar ones exist too):