Description Cottage Pebbles are decorative stones, best used in garden beds or in garden paths to add colour and character to your yard. Cottage Pebbles are approxiamtely 20mm and also available in 20kg bags. Features of Cottage Pebbles: A decorative pebble, that will be a stunning feature in your garden Used as a garden path or in garden beds Approximately 20mm in size Also available in 20kg bags Gravel Delivery: Pebbles and gravels are sold by the tonne, and are available online or in-store. Delivery across Adelaide starting from just $35.