Real Glass Tubes Measures 24 x 22 x 4 One Year Manufacturers Warranty Operates Silently And Efficiently This Neon Sign features multi-colored, hand blown neon tubing. The glass tubes are supported by a black finished metal grid, which can be hung against a wall or window; they can even sit on a shelf. The neon sign has a warm mesmerizing glow, and is powered by industrial strength transformers, which operate silently and more efficiently than incandescent bulbs. All you do is hang it up and plug it in ? no assembly or special wiring required. Give your home or 'Man Cave' the fabulous glow of real neon!