Bronze Random Slate 8mm + 2mm Preattached Underlayment Thick x 15-15/32 in. Wide x 46-1/2 in. Length Laminate Flooring features embossed in register texture, which matches the look of real slate and helps improve slip resistance. The Interplank design also mimics the natural randomness of genuine slate. The floating click installation can be installed over both concrete and wooden subfloors, and the attached 2mm noise-reducing foam underlayment makes installation quick and easy.