Durable Materials: Wall fence spikes are made of PP plastic, light in weight, environmentally friendly, safe and non-toxic. And it is resistant to changeable weather conditions and long-term ultraviolet radiation, not easy to age, does not damage, does not rust, is durable, and is very suitable for outdoor use. Security Anti-climb Spikes: Use plastic instead of dangerous glass fragments or complex barbed wire, just fix the plastic anti climb spikes on the fence or the wall, you can simply and effectively control and prevent intruders (such as: birds, cats, pigeons, crows and other animals) , And will only cause physical stimulation to them, and will not pose a serious threat to the lives of animals/humans. Can be CuttedThere are 12 bird spikes for roof in a color box, the size is 43*4*3.5cm, and each module has a total of 90 spikes of different lengths. And there are 3 flexible separable sections, which can be easily folded into 3 smaller parts according to your actual needs, to the greatest extent prevent birds and animals from causing damage to our houses, and maximize the utilization rate. Flexible InstallFlexible InstallSimple plastic cats birds intruder deterrent strips are very simple to install. Just use adhesives (which can be used for plastics), double-sided tapes, cable ties, etc.to fix the bird-proof spikes on the required fences and borders, which saves time and effort and provides you with the best protection. Wide ApplicationWide ApplicationAnti-bird stab is suitable for buildings, food factories, pharmaceutical factories, hotels and restaurants that need to be protected. It can be installed on fences, eaves, roofs, windowsills, balconies, railings, boundary walls, tops of street lights and other places where birds can settle, it can be effective Prevent the intrusion of birds, cats, raccoons and other animals. Product Our Birds Spikes Can Be Split Into Smaller Pieces As You Need And Installed On Boundary Walls, Fences, Sheds, Gates, Etc. The Anti Climb Security Spikes Repels Safely Without Hurting Animals, Thus Preventing Their Invasion And Destroying Your Property. Great Value 12 Pack The plastic bird spikes come in a 12 pack ( 5.16 meters long) to cover a huge area. Snap to Fit The bird spikes split every 5.6 inches to fit on all lengths of fence boundary. Easy to Install Simply screw on a fence or stick them to a wall to protect your house. Occasion: Walls, Eaves, Windowsills, Balconies, Railings, Tops Of Street Lamps Etc.