The Caledonian Pebbles Decorative Aggregate from Kelkay makes for a beautiful looking addition to your garden. Pebbles are 14-20mm size and are glossy and even more colourful when wet. A great way of decorating your borders and beds, alpines and rocks gardens and a water tanks when washed. It is recommended that a minimum depth of 35mm is used when calculating how much you need. This product can also be used as backfill i.e. to secure your underground water tank or rainwater harvesting system in place.  This item will be delivered with care and will need someone to supervise its arrival, due to its weight. Due to this product being made from natural materials, coverage distance may vary. We have calculated that this bulk bag will cover approx 8-12m² Multi-purpose Fish Friendly Ornamental or practical Highly decorative Size 14-20mm Bulk Bag (approx 750 kg)