1. 595*595*7mm 2. surface coverd by pvc 3. back with aluminum 4. ... ceiling,2.size: 595*595mm, 600*600mm, 603*603mm3. thickness: 7mm, 7.5mm, 8mm, 9mm4 surface coverd by pvc foils5 back ... .tension strong, moistureproof, heat-preventing, ametabolic Decorative Gypsum Ceiling Tiles 7mm