Cookies & Cream Mallows Contains: sugar, water, corn syrup, gelatin, and natural flavors. Naturally gluten free- not a certified gf kitchen. To maintain freshness, your marshmallows should be stored in a cool, dark place. Our shelf life is listed at 14 weeks to ensure quality, freshness and the fluffiness our customers have come to expect. As this being a perishable item, we will not accept returns or exchanges.