Inconspicuous, maintenance-free long-term protection against pigeons. Advantages of using pigeon repellent spikes: Pigeon repellent spikes can be used anywhere where birds land or roost - ledges, window ledges, signs, beams, gutters, pipes, tubes, lighting, awnings, etc. The spikes made of sturdy UV and weather-resistant polycarbonate guarantee a long service life. Supplied ready to use - no assembly required! For professional and permanent defence against pigeons and other nuisance birds. Installation is extremely quick and easy. Can be used anywhere thanks to the flexible lengths of the spikes. Inconspicuous - the spikes are made of transparent polycarbonate, can be fitted precisely and are not visible to people from a distance. Easy to install and ready for immediate use. The pigeon repellent spikes from Swissinno are very easy to install and immediately ready for use to repel pesky birds and pigeons. Pigeons in particular like to nest on windowsills, balconies, attics, etc. and quickly soil the entire floor below. Pigeon droppings are extremely harmful and stubborn to remove, so it makes sense to use pigeon repellent spikes as a preventative measure.