Defender® Plastic Pigeon and Bird Spikes come in a range of sizes to proof the smallest of ledges against pigeons and similar sized birds. These plastic pigeon spikes are made from Durolon, a specialist UV stabilised polycarbonate plastic that will not discolour or become brittle in direct sunlight. Defender® Plastic Bird Spikes can withstand all extreme weathers and come with a confidence boosting 15-Year Warranty. Designed to be installed with no need for professional tools, our plastic pigeon spikes will keep birds off your property for years to come.