A mix of purple and green silk plants from biorb as real looking as real plantsr the plants in the biorb silk collection have the vivid colours and detailed structure of real plants bringing the beauty of the worlds underwater world to alluring life in your biorb aquariumthe silk plants sway and undulate with the flow of the water inside the biorb just like the real thingr the vibrant foliage of these beautiful silk plants will offer your fish security and you a wonderful underwater world