sandstone. Purple sandstone like wood tiles,but beautiful and easy cleaning,size12"x12",24"x24",12"x24" 1cm or 2cm thicknes Purple sandstone tiles,like wood floor tiles,but beautiful and easy cleaningSize12"x12",24"x24",12"x24" 1cm or 2cm thickness ,this material is good for floor tiles,Steps, Window sills, welcome to your special inquiry,we will send the price to you asap.