Bird/Cat Spikes are an effective, humane, cost-effective control solution that will not harm birds or cats. By installing the spikes on surfaces where birds like to perch, an unattractive barrier is established. Features: Provides an effective, low-cost intruder deterrent. Suitable for tops of fences, gates, pipes, walls, thresholds, etc. Deterrent against animals such as cats and large birds while being discreet and without spoiling the view of the garden. Made from plastic for added versatility. It can be easily attached to the top of the fence or brick wall with glue, nails or screws, and can also be used for branches or sheds. Specifications: Material: Plastic Color: Black Quantity: 10 pieces Item size: 500 * 45 * 17mm / 19.69 * 1.77 * 0.67in Package weight: 650g / 22.93 ounces Package size: 310 * 140 * 45mm / 12.2 * 5.51 * 1.77in Packing list: br />10 * Anti Bird Thorn