Durable materialsThe wall fence spikes are made of PP plastic, lightweight, environmentally friendly, safe and non-toxic. And it is resistant to changing weather conditions and long-term ultraviolet radiation, not easy to age, no damage, no rust, durable and very suitable for outdoor use. Safety Anti-Climbing Spikes Use plastic instead of dangerous glass shards or complex barbed wire, just fix the plastic anti-climbing spikes on the fence or wall, you can easily and effectively control and prevent intruders (such as: birds, cats, pigeons, crows and other animals), and will only cause them physical stimulation and will not pose a serious threat to animal/human life. Can be cutThere are 12 bird spikes for the roof in a color box, the size of each piece is 43*4*3.5cm, the total length is 5 meters. and each module has a total of 90 tips 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 maximally prevent birds and animals from causing damage to our homes and maximize the utilization rate. Flexible InstallationThe simple plastic cat bird deterrent strips are very easy to install. Just use adhesives (which can be used for plastics), double-sided tapes, cable ties, etc. Wide ApplicationThe bird knife is suitable for buildings, food factories, pharmaceutical factories, hotels and restaurants that need to be protected. It can be installed on fences, eaves, roofs, window sills, balconies, railings, perimeter walls, lamp post tops and other places where birds can settle, it can be effective in preventing the intrusion of birds, cats, raccoons and other animals.