- Fish tank decoration: Fish tank decorations made of high quality eco-friendly resin material, non-toxic, rustless and rot-free, and does not affect the pH in the water tank. 2. Beautiful and Practical: It can provide a nice decoration for your water tank and is also a great hiding place for fish, which can increase the fun of the game. 3. Stable and Stable: The product has holes for swimming and exploring fish, and the weighted base design can be placed firmly in the fish tank, you don’t have to worry about buoyancy. > 4. Interesting Design: Adorable and vivid design adds vitality to your aquarium. Fun Aquarium Decorations - Adds color and whimsy to the aquarium. Ideal for beautifying your aquarium. 5. Multiple Uses: Three styles to choose from, to meet your different needs. Provide perfect accessories and decorations for your home and fish tank. Product material: resin Product specifications: Octopus Brother’s Home: Length 8cm x Width 7cm x Height 15cm Weight: Approximately 158