Made of light weight weather-resistant plexiglass. This material supports the luminosity of the discs because it directs light better than glass. The secret of Cazadore del sol lies in the fluorescence. The Plexiglas 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. This is for a set of 3 DIFFERENT colored disks. 1 Green 1 Yellow, & 1 Red. This is for a set of 3 disc and 3 poles! Thanks to the warm light and the soft swaying in the wind the Cazador-del-Sol will bring harmony and sunshine into your life whether the sun shines or not. Even on a dull day the suncatcher will turn invisible light into visible light. Each glance at the garden or at the balcony will bring a smile on your face, for light is nourishment for the soul. an excellent, wavy addition to your suncatcher ensemble. One wave-shaped perspex disc [Acrylic glass, 8" diameter] with swinging rod [fibre-reinforced plastic, length: 5' 7' and wedge to lock the disc in place. You will receive 1 red, 1 green and 1 yellow disk.