Chase recently announced a promotion which will offer Marriott Rewards Premier Credit Card and United MileagePlus Explorer Card cardholders double rewards on respective purchases. The promotion, which Chase is calling "Double Stay, Double Go" is believed to be the first of its kind.

For the first time, Chase declared their Card Services' eligible co-branded credit cards, Marriott Rewards and United MileagePlu on Chase official website. The two companies are coming together to offer double the rewards on respective purchases this holiday season with 'Double Stay, Double Go.'

According to Frugal Travel Guy, the promotion which will offer Marriott Rewards Premier Credit Card and United MileagePlus Explorer Card cardholders double the rewards on respective purchases between November 1 and November 30, 2015.  Between these schedules, the Marriott Rewards Premier cardholders will earn double points on purchases with United and eligible United MileagePlus Explorer, Club and Presidential Plus cardholders will earn double miles on purchases at Marriott properties.

"Travelers are accustomed to earning meaningful rewards with their Chase credit cards, and the combined value of United and Marriott will amplify those benefits during one of the most heavily traveled seasons of the year," claimed Richard Quigley, president of Chase's partner business.

He continued by stating, "With more than 4,300 Marriott hotel locations and 362 United flight destinations worldwide, this promotion harnesses the global ubiquity of the United MileagePlus and Marriott Rewards programs, and rewards cardholders even more for their travel purchases."

In other words, Marriott Rewards Premier cardmembers can earn a total of 4X points per $1 spent on United purchases, while United cardmembers can earn a total of 2X (Explorer) or 3X (Club) miles per $1 spent on Marriott purchases. The respective business card products are also eligible for the promotion.

Moreover, the Marriott Rewards Premier Credit Card gives travelers the chance to avail the Marriott Rewards points on all purchases, accumulate free night stays and accelerate status. The card also offers EMV chip-and-signature technology, charges no foreign transaction fees and comes with a variety of travel benefits. The United MileagePlus Explorer Credit Card offers extensive travel benefits, including priority boarding, no foreign transaction fees, and two, one-time-use United Club passes each year, as mentioned in Business Wire.

Meanwhile, the limited-time credit card partnership promotion is in addition to RewardsPlus. This  also offers reciprocal premium benefits between the United MileagePlus and Marriott Rewards loyalty programs.