This July Dunkin’ is running Mystery Mondays for DD Perks Member—series of surprise offers, revealed every Monday, on food and drinks.

This week’s offer is sure to excite espresso-lovers. July 22, through Friday, July 26, customers can earn two-times the points (10 points per dollar rather than 5) on any-size Signature Latte.

The chain’s Signature Latte varieties include:

• Blueberry Crisp Signature Latte—features blueberry and caramel flavors, topped with whipped cream, a caramel flavored drizzle and cinnamon sugar topping.
• Caramel Craze Signature Latte—includes a caramel flavor, and is topped with whipped cream, a caramel flavored drizzle and cinnamon sugar topping.
• Cocoa Mocha Signature Latte—has a mocha flavor, and is topped with whipped cream, a mocha drizzle and hot chocolate powder.