1. 100% natural roofing slate, no fading, 2. Duralbe, passed test of ASTM and EN standard. 3. Size 200*400/250*400/400*400 Natural Roofing slate (roof tile) 1.Natural finish.a little bit rough surfacenice colornon-fadingdurable 2.Regular size:400*200/400*250/500*250/300*200Square, rectangle, pentagonal, rhombic 3.Slate application: Indoor and Outdoor decoration, Garden, Villa wall decoration. 4. ...