The effective way to say "Paws off my feeding port" to the plump squirrels in your garden. They look cute but, especially where there area large number, they can be a menace to birds. Over 2 million users worldwide confirm that this is 100% guaranteed to stop those greedy opportunistic squirrels from sinking their tiny teeth into the bird food. The peanut version can hold a massive 8 pints of nuts. It's bound to make your garden the number one destination for hungry birds.