Key Features Strong and Durable Synthetic Resin Material Safe Around Plants Suitable for BiOrb Air Terrariums and Other Terrariums, Aquariums and Vivariums Realistic Design - The Oase BiOrb Medium Rockwood Neck Ornament is a uniquely shaped piece of diftwood to enhance your terrarium. The Medium Rockwood ornament will compliment any terrarium and help to make it an eye catching and beneficial artificial environment for plants, reptiles, frogs and much more. This piece is made of synthetic but life like resin and is totally inert and will not effect the plants around it. Not only that, but being made out of resin means easy cleaning and extra durability. The BiOrb Medium Rockwood Neck Ornament has been designed specifically to fit the BiOrbAir Terrariums, but also make a great decoration piece for any terrarium, aquarium or reptile vivariums too. Dimensions: 27 x 22cm *All measurements are approximate.