- Aquarium Decoration: The aquarium decoration is made of high quality environmentally friendly resin material, which is non-toxic, non-rust, non-rotten and does not affect the pH of the water tank. 2. Beautiful and practical: It can provide a beautiful decoration for your fish tank, and it is also a great hiding place for fish, which can increase the fun of the game. 3 . Stable: The product has a crankbait detection hole, and the weighted base design can be placed firmly in the aquarium without worrying about buoyancy. 4. Interesting Design: The cute and lively design adds vitality to your aquarium. Fun Aquarium Decorations - Add color and whimsy to your aquarium. Ideal for beautifying your aquarium. 5. Multiple Uses: Three styles are available to meet your different needs. The perfect accessories and decorations for your home and aquarium. describe: Fish Tank Ornament Tank Ornament Fish Tank Resin Aquarium Theme Ornament Material: Eco-Friendly Resin. Packaging: In box.