Why worry about wind and lugging around heavy weight when you can have an umbrella base that allows an open floor space? This umbrella stand lets you clamp your favorite shade right onto your patio railing. It's easy to install and allows an array of railing options. This umbrella base is an excellent option for patio furniture without an umbrella hole. Its minimalist design lets the color of your umbrella shine. Upgrade your railings with shade. Get out, get comfy, get Outsunny.