This product produces an effective
...They contain
...Keep sills ledges pipework & gutters free from nesting & resting birds. Bird Ban's prongs easily attach to virtually any surface making the area off-limits to birds without causing any harm. The high quality UV stabilised polycarbonate material is easily cut to required length & can be quickly attached to surfaces using any silicone sealant or with the specially designed gutter clips (sold separately). Each strip measures 33.4x 1.8cm. Sold in packs of 6 (2m overall length).