1.environmental material 2.best quality&.price 3.minicrystal stone 4.used for floor,external cladding,wall. 5.no radioation. 1. There are more than 10 colors of minicrystal stone products available: Pure white, yellow, silver yellow, silver grey, grey in white, grey spot white, USA grey spot white, yellow in white.....2. Panel thickness: 10mm-35mm3. Normal specifications (mm):1800*3000*19±1, 1200 ...