- Fish tank decoration: Fish tank decorations made of high quality eco-friendly resin material, which is non-toxic, rust-free and lubricant-free and does not influence the pH in the water tank. 2. Beautiful and practical: It can bring a nice decoration for your water tank, and it is also a great notebook for fish, which can increase the fun of the game. 3. Stable and Stable: The product has holes for fish necroation and espploration, and the weighted base design can be placed firmly in the fish tank, so you don’t have to worry about floating. 4. Interesting Design: Adorable and vivid design ornaments, adds vitality to your aquarium. Multiple aquarium decorations add color and whimsy to the aquarium. Ideal to beautify your aquarium. Description: Material: environmentally friendly resin Packing method: boxed Specifications: 13x7.5x7cm. Note: The product size is manually measured, there may be a little error, I hope to understand! Package included Packing list: 1 x Aquarium Decoration