Jet off to Europe anytime you like with uslu airlines new nail polish collections. Their three newest colors, created in collaboration with designer Bernhard Willhelm, are named after the codes for the continent's iconic metropolitan airports. Belgium's Knokke/het Zoute inspired the gold metallic KNO. The sparkling red JDP gives a nod to France's Heliport de Paris. GWW references Germany's Berlin Royal Air Force Gatow. KK