Only Breeders who have registered with Annamaet and received a Breeder ID# are authorized to participate in this program. Make sure that your retailer has properly recorded your Breeder ID# on your Astro Breeder Account. Bags are categorized according to Species (Dog/Cat) and Size (S/M/L/XL). The Free Bag will be Lesser than or Equal to the Least Expensive bag purchased.