These artificial plants are designed with a smooth weighted ball base that blends in with the BiOrb ceramic media. This pack contains two plants, a small one and a medium one, in red and pink colors. These plants add a pop of color to any BiOrb aquarium. When decorating your underwater world, use one or multiple plant sets to create a scenic background. The small plant is 20cm in height, and the medium plant is 29cm in height. All BiOrb plants are compatible with freshwater and saltwater aquarium setups. The plants have weighted bases that will not float and are easy to place and move. They are suitable for tanks from 30 Litres and are safe for fish. The biOrb Aquatic plants allow you to add color and a realistic look to your BiOrb and BiUbe Aquariums. With their weighted bases, the plants sit safely in the base of your tank and sway gently with the flow of the surrounding water. The weight acts as a balance which will help the plant to self-right itself and stops it from floating to the surface. The artificial flowers provide many advantages.