When you apply for the Miles & More MasterCard by Dec. 15, 2010, you’ll get double miles for all your purchases for the first 90 days of owning the card. There are two cards from which to choose. The Premier World MasterCard ($79 annual fee) comes with 20,000 welcome bonus miles after your first purchase with the card and the World MasterCard ($59 annual fee) comes with 15,000 welcome bonus miles.

With the double miles promotion, Premier World MasterCard customers will get four miles for every $1 spent on ticket purchases with Miles & More integrated airline partners for the first 90 days, and two miles for every $1 spent on all other purchases for the first 90 days. World MasterCard customers will earn two miles for every $1 spent on ticket purchases with Miles & More integrated airlines for the first 90 days and two miles for every $1 spent elsewhere for the first 90 days. Other benefits apply for both cards including an annual companion ticket.

For more information and to apply for a card, visit http://www.BarclaycardUS.com/milesandmore – Miles & More integrated airline partners are: Adria Airways, AirDolomit, Austrian Airlines Group, Brussels Airlines, Croatia Airlines, LOT Polish Airlines, Lufthansa, Lufthansa Regional, Lufthansa Private Jet, Luxair and SWISS.