----------THE FISH WILL THANK YOU---------- The Fish Tank Diver Decoration is ideal for enhancing the charm and ecological balance of your home aquarium. Our aquarium diver decorations are made from an eco-friendly resin material that has a textured exterior, which means they have no negative impact on water quality. Aquarium diver decorations are a beautiful, eco-friendly and fun way to make your aquarium more attractive while providing a fun playmate for your fish.