Wrigley's Extra Sweet Watermelon Sugarfree Gum. Artificially flavored. 20% more*. *As compared to the 60ct car cup. 35% fewer calories than sugared gum. Calorie content has been reduced from 8 to 5 calories per two piece serving. Do your part! Questions Comments Call 1-800-WRIGLEY (1-800-974-4539).