Plum Slate is a naturally flat and angular material. A rich plum in colour, the material looks beautiful when wet or dry. Blue slate can be used within many applications but is most commonly used for mulching of borders. Key Features: High Quality Gives great coverage Not ideal for drives due to breaking under the weight PLEASE NOTE: All natural products can have variations in colour and are subject to further colour changes when wet. The product images are supplied for illustrative purposes only.