Flooring slate tiles: Inside or outside, black slate floor tiles, features such a Natural slip-resistant versatility, it is functional and Complementary in any surrounding. Specification 1.Optional color: rusty, black, green and yellow. 2.Sizes available on request. 3.Thickness(mm): 10, 12, 15, 20, 30 or others you need 4.Surface: natural cleft, back cablibrate or not. 5.Packing: wooden crate fumigated. 6.Moq: 1*20' container, mixed size available. Wooden crate