Toasted Rice Cereal and Milk Bar. Too good to go. Past my date?. Look, smell, taste. Kellogg's Rice Krispies breakfast cereal snack bars contain All of the great taste of Kellogg's Rice Krispies Cereal combined with a milky layer to create an easy to eat cereal bar. Rice Krispies Cereal Bars are the perfect way to enjoy our classic toasted rice cereal on-the-go. These bars are perfect for an on-the-go snack. Kellogg's Rice Krispies breakfast cereal bars are a source of calcium and vitamin D and contain no artificial colours, flavours, or preservatives. Enjoy the taste of Kellogg's Rice Krispies Cereal with our Rice Krispies cereal snack bars.