Approximately 5" x 5"; YELLOW Acrylic material; 3D Star Sun-catcher; NEW Made of light weight weather-resistant . This material supports the luminosity of the star because it directs light better than glass The secret of Cazador- del- sol lies in the fluorescence. The acrylic lexiglas disk contains fluorescent substances. These ensure that the invisible, short-wavelength spectral component (UV light) of the daylight is converted into longwave, visible light, which appears brighter For outdoor use, lights up from sunrise to sunset -no batteries or sunshine needed..just UV rays - Brass hanging hook included. Weather resistant will withstand snow, rain, and heat Approximately 5" x 5"; Acrylic material; 3D Star YELLOW Sun-catcher. This decorative 3D-Star consists of three Parts. Assembled together they form a beautiful year round YELLOW star. Cazador-del-sol sun catchers are said to bring harmony and sunshine into your life – whether the sun shines or not. Even on a dull or rainy day or a snowy day, the sun catcher will turn invisible light into visible light and glow all by itself – absolutely eco-friendly and energy-saving, without electricity or batteries. Weather resistant will withstand snow, rain, and heat. Starts glowing at sunrise and continues until sunset. Brass hook included.