"Quit monkeying around with all those look-alike keys - pop a perky primate on top! MonKEYS are stretchable durable covers that fit over almost any shape key, adding a playful touch to a normally ho-hum object. You can even give ‘em names. Fred calls his Cheeky, Che, Kong, Darwin, Spank, and Nigel. Six monKEYS come packed on a clear peggable clamshell card (via)".
They arn't as durable as they say they are, but they are SUPER cute! and I can now differentiate my keys!