Keep birds away with the Bird-B-Gone Bird Repelling Spider! The patented arms are made of stainless steel and encased in polycarbonate to last season after season. Pre-assembled and easy to install, it can be used on boats, light posts, and more. Use the included glue-on base to affix the spider to flat surfaces, or the optional railing mount and remova bases for added convenience (optional bases sold separately). Protect your space with the Bird-B-Gone Bird Repelling Spider!