Our 20mm Alpine Black is tough durable marble gravel made from a mixture of our 20mm Black Basalt with 20mm Alpine Blue giving it that unique colouring blend which sparkles when wet making it a great modern choice to brighten up your drive, pathway, and garden borders.
*We would advise due to supply chain issues this product may be a different size/colour to any ordered before May 2021. We would recommend purchasing a sample if you’ve previously bought this product beforehand*
*Please note that all products are natural/quarried materials so there could be a variation in colouring, size & shape. All sizes shown are estimated*