- Environmental friendly of repelling birds without harming them
- Easy to use and apply
- Can be applied to any structural form
4 the birds is a bird repellant gel that keeps birds and starlings from nesting on house roof, building roof, window ledges and other manmade structures. 4 the birds is a transparent compound gel which applied to places where birds do rest or nest without harming them. JT Eaton 4 the birds active ingredient is polybutene that when applied makes the bird feel uncomfortable thus preventing them from nesting and resting on structural property.