Walkers Shortbread's Three Seed Oat Crackers, containing pumpkin, sunflower and flax seeds, are rich in flavor with a wholesome taste. Our Oat Crackers are baked using our traditional recipe perfected over the last hundred years. Containing only the finest oats and pumpkin, sunflower and flax seeds, these oat crackers are thin, crisp, flavorful.excellent! . Baked in the Scottish Highlands, they are a perfect anytime snack on their own or when paired with hummus, peanut butter, jam, cheese and other toppings. They are a good source of wholesome fiber and suitable for vegetarians. Great with natural sweetness but not sweetened.