Link to item would help.
No problem, I'm seeing it in many places I assumed it was common knowledge to Givenchy fans sorry doesn't really say what type of leather "waxy" leather is.. unless I'm missing something.
http://www.bergdorfgoodman.com/p/Givenchy-Nightingale-Waxy-Leather-Shopper-Totes/prod77600118/
Or
http://www.polyvore.com/givenchy_medium_nightingale_waxy_leather/thing?id=60103694