KKUYT Defender Spikes, 12 Pack Plastic Bird Spike, Outdoor Wall Cat & Pigeon Spikes, 17 Feet Security Fence Spikes Anti-Theft Climb Strips for Roof, Railing (Clear-12 PCS)…Brand: KKUYT Color: clear Features: ANTI CLIMB SECURITY SPIKESNo more yards of shards set into concrete or sharp barbed wires or razor wires to hurt an animal or even human. bird spikes is an effective way to prevent different animals from climbing over a boundary wall or crossing a line. GREAT VALUE 12 PACKEach plastic strip measures 16. 9 x 1. 5 x 1. 4 inches(43 x 3. 5 x 34 cm). Each box comes with 12 durable plastic strips that can be used to cover