BirdFlee Polycarbonate Bird Spikes 5 pcs. Set Birdfleetm Is A World Class Product To Tackle The Menace Of Birds. The Birds, Which Look Nice And Pretty, Look Equally Terrible Due To The Menace Caused By Them. And The Biggest Problem Is Bird Droppings. This Is A Device That Is Designed To Keep Birds And Pigeons From Perching On The Unwanted Places Of Building Structures. This Product Is Non Fatal And Deters The Birds, Without Harming Them In A Most Humane Way. All The Efforts To Maintain Your Property Clean And Tidy Go Haywire When You Find That The Bird (Dropping) Has Again Soiled The Area. This Problem Increases Manifold, When The Stains Of Bird Droppings Refuse To Go. This Is A Proven Product And Is Being Used By The Most Advanced Countries Worldwide. This Saves A Lot Of Time And Effort In Maintaining The Areas Clean. Benefits: 1. Proven To Be Effective Against Birds (On Ledges, Air Conditioners, Wires) 2. Does Not Harm Birds. Specially Designed Tip Just Pricks - Does Not Pierce. 3. Weather Proof. Can Withstand Extreme Temperatures -20O C To + 100O C 4. 4. Easy To Install -Use Silicon Adhesive, Double Side Tape And Best Option Is Make Drill On Surface, Fill The Hole With Pvc Gitti And Keep The Spikes And Just Screwed It With Fasteners. Comes With Installation Guide Specification For One Strip Overall Dimensions: 320 Mm (1.1 Feet) Long, 140 Mm Wide, 115 Mm High. Made From Virgin Uv Stabilized Poly-Carbonate Guarantee: 1 Years Each Strip Consists Of 20 Specially Designed Tips