Anthracite Black porcelain slabs 900 x 600 offer a sleek, modern finish, making them ideal for outdoor spaces – patios, gardens, and walkways. Free* delivery! https://ammaaristones.co.uk/product/anthracite-black-outdoor-porcelain-paving-slabs-900x600mm/ https://ammaaristones.co.uk/product/anthracite-black-outdoor-porcelain-paving-slabs-900x600mm/