Fluff, marshmallow sprd, 7.5-ounce (12 pack) is still produced by the same batch process developed over 75 years ago - it's the only marshmallow creme made in this manner. It's what makes Durkee-Mower's product so fluffy, white, and smooth; it's what makes the difference. Because Marshmallow Fluff is made only with the finest ingredients under the most demanding sanitary conditions, it requires no artificial preservatives. Remember, your guarantee of success with the recipes in The Yummy Book is ensured only when using Marshmallow Fluff.