CHINA ZONGYI MARBLE FACTORY CAN SUPPLY YOU VARIOUS BIG SLAB 4UPX8UP(120CMUPX240CMUP OR BIGGER)thickness usually is 1.8cm or 2cm, 3cm ( 3/4 or 1 1/4), or other measurement and thickness, we can cut the size you need, but depend on the natural Characteristic of Block, and Quantity you like to order, and other requirement