Repellent and practical, these anti-theft garden fence spikes offer lawn protection and security. Upgraded design with 3.7 cm spike length and small spikes prevent small animals from standing on it. Effective in birds, pigeons, crows and thieves. Can use screws, zip ties or tape to fix on any flat surface. Made of high-quality PET, suitable for any weather. 34cm long, 1.57 inches wide, and can be cut into flexible segments. Available in six colors. Easy to install and humane, this is the most effective method to reject feces and noise. Features 1. Upgraded Design: Our bird spikes use the latest design, the length of the spikes is 3.7 cm, and on this basis, small spikes are added, which perfectly prevents small animals from standing on it, and effect is greatly enhanced. 2. Refusal of Foreign Invasion: This bird spike are effective in birds, pigeons, crows and even thieves. We need to reject feces, noise, and this is the most effective method. Compared to other barbed wire, steel spikes or glass shards, this will not cause great harm to small animals or people, and can successfully drive off the invaders. 3. A Variety of Installations: Can use screws, strong zip ties or double sided tape to firmly fix the fence spikes on any flat surface, generally suitable for fences, railings, roofs, walls, sheds, ledges, terraces. 4. Suitable for Any Weather: Bird fence spikes are made of high quality plastic, not easy to deform and twist, and not will corrode and rust, work well in any environment. 5. Nice Size: Each piece length is 34 cm/13 inch, 1.57 inch wide and the spike length is 3.7 cm/1.45 inch. The bird spikes can be cut into flexible segments, used anywhere, and more convenient. Specification Material: PET Color: White, Grey, Green, Black, Brick red, Brown Size: 34 x 4 cm, Spike: 3.7 cm Weight: 670 g Package Include: 12 Bird Spikes(with Strap)