Whole Grain Flatbread Thins. 60 Calories per Serving. 9g Whole Grain. Wasa Rosemary & Sea Salt Thins are crispy crackers that make a perfect snack - No toppings required! With real sea salt and a light rosemary taste, Wasa Thins are a delicious way to get whole grains everyday. Snack Smart, Snack Wasa! No trans-fatCholesterol free70 calories and 9g whole grain per serving.