Hi Myra the tiles are 75 x 600mm and called Mountains Black. They were supplied by Perini Tiles in Richmond Melbourne Australia. You can give them a call.
Perini Tiles - Mountains Black wesite link
What type of splashback for white and black shaker style kitchen?
What type of refrigerator do you have?
What floor type??
Please solve an argument: What is the standard grout size for tiles??