Terracotta toppings is a decorative, compactible material composed of fine river gravels and pebbles. It is used as a decorative topping for driveways and paths. Its’ natural earthy tones complement a range of garden styles. For best results, this product should be laid on a 50mm bed of compacted crushed rock to a minimum depth of 50mm, moistened with water and compacted with a roller or vibrating plate compacter. Do not over water.