A 40-ounce bag of Hershey's Kisses contains approximately 252 pieces, while a 12-ounce bag contains 72 pieces. The Hershey Company also sells Hershey's Kisses in bulk 25-pound cases that each contain approximately 2,000 pieces.
The serving size for Hershey's Kisses is nine pieces. Each serving of milk chocolate-flavored kisses contains 200 calories, 12 grams of fat, 10 milligrams of cholesterol, 35 milligrams of sodium and 25 grams of carbohydrates. Hershey's Kisses are available in a variety of flavors, including milk chocolate, dark chocolate, "Cookies n' Crème" and milk chocolate with almonds or caramel, as well as seasonal flavors, such as candy cane or pumpkin.