Bird Spikes – Detailed Specifications Material: Made from durable and unbreakable PVC for long-lasting use. Color: Clear, making it discreet and less visible when installed. Dimensions: Length: 12 inches Height: 4 inches Width: 5 inches Design: Effective and humane design to deter birds from landing on surfaces without causing harm. These unbreakable PVC bird spikes are ideal for protecting buildings, ledges, and other structures from unwanted bird activity, providing an unobtrusive and durable solution.