The Peanut Butter Suet Ball from Mill Creek Seed Co. is a very popular product. Made in Canada, these 3" diameter balls are a great way to attract backyard birds. These suet balls are a great way to attract birds to your yard and provide them with a nutritious food source. Peanut butter is high in protein and fat, providing birds with the energy they need to survive and thrive. The Peanut Butter Suet Balls are also easy to use; simply place them in a suet feeder and enjoy watching the birds feed.