Natural Value Sweet Potato Krisps Gluten Free Dog Treats (Pack of 2) This is a (Pack of 2) Natural Value 100% All Natural Pure Sweet Potato Krisps. 100% Farmed and Made in the U.S.A. These are Air-puffed, Lowfat, and Low calorie Sweet Potato Krisps for your dog. There are NO Additives and NO Preservatives. Gluten-Free. Soy-Free. Wheat-Free. LowFat.