12Pcs Bird Spikes, Plastic Wall and Fence Spikes, Bird Deterrent Repellent Spikes, Anti Climb Spikes for Birds Squirrel Pigeon Cats Widely Used: Bird spikes can prevent birds such as pigeons and seagulls from landing or roosting on fences, balconies, and the tops of other buildings, reducing the damage caused by bird droppings to the garden. They can also protect crops, gardens, and outdoor areas from birds that may eat or damage plants. Flexible Plastic And Expandable: Each set of bird spikes includes 12 pieces with a total length of 4m. Each bird spike is 33.5 cm long and 4.5cm wide. The flexible base has high flexibility and can adapt well to any curved surface. It can be cut into 3 sections according to your actual needs. Humanized Design: Plastic bird spikes are a humane bird control and anti-cat climb option because they do not harm birds, but rather discourage them from landing on surfaces where the spikes are installed. Premium Material: The bird fence spikes are made of plastic, which is lightweight. It can also resist changing weather conditions and long-term UV radiation and is not prone to aging, decomposition, rusting, and is very durable, making it ideal for fence tops in the garden use. Easy To Install: They are easy to install and can be easily fixed to the top or edge of fence or climb mesh with cable ties, adhesive, nails, or screws.