Our 8 x 4 x 1 Himalayan salt tiles are one of our best selling dimensions for salt walls, backlit feature walls and health room installations. The tiles are hand-cut from natural Himalayan pink rock salt, which has formed over 250 million years beneath the mountains of Pakistan and which is 98%+ pure with 84+ trace minerals. These are 8 inches wide, 4 inches deep, 1 inch thick. The... https://naturalsaltco.com/collections/himalayan-salt-tiles