These jugs are ornaments from Aqua Della's amphora collection. These themed decorations are coordinated to recreate this ambiance as cohesively as possible. Made of polyester resin, this ornament is completely non-toxic, does not affect the biological balance of your aquarium, and is suitable for both freshwater and saltwater aquariums. Recommendation: Carefully remove the decoration from its box and rinse it with lukewarm water. Caution! Do not use soap, all-purpose cleaners, or other cleaning products (such as hydrogen peroxide, thinner, or turpentine).