Features:1. Innovative Ways to Drive Cats & Birds: Are newly purchased furniture and potted plants destroyed by cats? Lively birds always look around? annoying? Why not try our spikes-an innovative way to protect your property from intruders.2. Upgraded & Durable: Made of high-quality materials. Unlike the usual recycled plastics, the U-shaped deterrent nails for bird pickers are stronger and more durable. Many tests have proved that it will not deform under strong sunlight.3. Protect Your Property from Loss: Due to the height difference and conical spikes, the U-shaped anti-bird's nest nails will make small animals feel uncomfortable and run away. It can effectively prevent birds, cats, dogs, small animals, and even human invaders from invading walls, courtyards, windows, but will not harm them, thereby protecting your property from loss.4. No Worries: With the defensive nails, you don't have to worry about the trouble of cats running to the bedroom or destroying the sofa, biting electrical wires or destroying plants. You will no longer be disturbed by trash and birds on the roof and fence, and you can even avoid the harassment of stray animals. Note: It is not suitable for stopping squirrels and big dogs.5. Easy to Install & Wide Application Range: Each size is 49*4.5*1cm, you can splice the length and width you need. Just install screws or plastic strips on any flat surface, such as boundary walls, fences, sheds, gates, etc.. Notice:Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Material: ppSize: As the picture shown Decoration form: placingColor/Style: As the picture shownWeight: 0.65kg