Volkman’s Seed is a Preferred Classy Parrot product for seed eating birds. It is a low dust, quality product with ONLY Vitamin C as a preservative in some mixes. Since 1863, A unique combination of tradition & technology, a century and a half of experience & innovation. Volkmans. With three generations of experience in making custom feeds, Volkman’s remains committed to maintaining a reputation for some of the finest and cleanest caged bird, wild bird and small animal diets in the world. Excellent source for parrotlet, cockatiel, parakeet & small seed eating parrots.