The Quartzite Pea Decorative Aggregate from Kelkay makes for a stunning looking addition to any space. Stones are 10-22mm size & are glossy when wet. These stones are truly dazzling & look luxurious, especially when filling a large area. A great way of decorating your borders & beds, paths, patios, driveways & water tanks when washed. It is recommended that a minimum depth of 35mm is used when calculating how much you need. This item will be delivered with care & 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 10-22mm Bulk Bag (approx 750kg)