NEW PRODUCT Garden Highlights Rocky Grey Stone 15 litre SKU: 342752 MODEL: GHRGS15 Error. try again later You've successfully joined the club $ 25 .66 each Mitre 10 SAvailable at selected stores. Check your local store for details Variants Garden Highlights Rocky Grey Stone is a light blue coloured chip from the South Island of New Zealand. Features and benefits Can be used as a decorative ground cover or pot topper. Highlights special areas.