This product is live rock for a marine tropical saltwater reef aquarium, designed for beginner aquarists. The live rock is sourced from China and sold in kg units, providing a realistic and vibrant environment for marine life to thrive in your aquarium. Perfect for creating a beautiful and healthy underwater ecosystem in your home. Never used any of the smaller rocks only sculptured bigger rock £3 for small rocks £5 for bigger rocks £30 for sculptured rocks . Buyer to collect . Bought from iquatics