Gladiator skull resin decoration by Aqua Della , with a dimension of 16x12.2x16cm . This gladiator skull from Aqua Della is an ornament from the Skull series. It is made of polyester resin. This ornament is absolutely harmless and has no influence on the biological balance of your aquarium. The decoration is suitable for freshwater aquariums and saltwater aquariums. Note: Carefully remove the decoration from the box and rinse with lukewarm water. Caution: Do not use soap, all-purpose cleaners or other cleaning products (eg: hydrogen peroxide, thinner, turpentine).