Update: According to commenter Shoshana, even though this is Kellogg’s cereal, it may be a product of Mexico which presumably does NOT have any Kosher supervision.
Pack of 3 Kellogg’s Raisin Bran 18.7 Ounce Boxes – Link 
This is currently priced at $9 on Amazon. Clip the 25% off coupon below the price and checkout via Subscribe & Save for a total of $6.30, which is just $2.10 per box w/ free shipping!
— If you have 5 or more Subscribe & Save orders, your total will be $5.40, which is just $1.80 per box shipped!
- Pack of three, 18.7-ounce boxes of Kellogg’s Raisin Bran Cereal
- Classic, delicious balance of crispy, wheat bran flakes and plump, juicy raisins never ceases to make morning amazing
- Made with whole grain wheat, wheat bran, and all-natural raisins
- 7-grams of fiber per 190-calorie serving
- 13 essential vitamins and minerals
- Pack of three, 18.7 ounce boxes (total of 56.1 ounces)