a) Dimensions: 43" x 56" x 13" (small), 48" x 64" x 13" (medium), 48" x 70" x 13" (large) b) According to customers' designs 7 composite marble( ceramic, honey-comb, aluminum panel), artificial marble(engineered marble), artificial microlite stone, quartz composite stone in various colours which are producing by our brother factories. 8 We can process kinds of stone carving according to your sketch.We would welcome the opportunity to quote for your specific needs when such opportunity arise.