Tarmac 20mm Limestone Chippings are perfect for a wide range of gardening and landscaping projects. This large bag of high-quality, durable limestone chippings from Tarmac, a trusted brand in the construction industry, boasts a consistent 20mm size. Ideal for paths and driveways, they can also be used for decorative purposes in flower beds and borders. These chippings not only enhance the aesthetic appeal of your outdoor space but also improve drainage and prevent weed growth.