Our bird butter feeder has been designed to work with our range of peanut butter for birds jars the peanut butter jars are available in peanut butter and mealworm cat no 0416896 and peanut butter and berry cat no 0416897 these make a deliciously tasty treat for our feathered friends simply pop a jar into the feeder for a great no mess bird treatbirds will see this like fine dining and theyll keep flocking to your gardenthe feeder features a chain for easy hanging assembly required o