This Penn-Plax Aqua-Plants Aquarium Decorations 12-pack of plants has all you need to decorate your favorite aquarium or fish bowl. Each unique plant has a sturdy base so it won’t fall over or float. The plastic plants are durable and safe for both freshwater and saltwater. These realistic plants will bring your aquarium to life and add a burst of color to your fish tank. Each plant is up to 4" tall. Plant colors range from green, red and yellow.