They're are absolutely safe for fish and best of all, they won't die, rot or cause any algae problems.Offers the natural environment feeling.Change your aquarium into a beautiful scenery .The ship design can be separated to facilitate the passage of fish and shrimp to create a beautiful underwater world. Features: 1. It is vividly and color detailed to add lively and natural life to your tank. It is great to decorate your aquarium all the time with minimum responsibility and maintenance. 2. Ornament is made from non-toxic plastic material and makes an exciting ornament in any aquarium. 3. They're are absolutely safe for fish and best of all, they won't die, rot or cause any algae problems. 4. Offers the natural environment feeling.Change your aquarium into a beautiful scenery . 5. Simulation of the wreckage of the shipwreck, used for aquarium decoration and landscaping, stylish and beautiful. 6. The ship design can be separated to facilitate the passage of fish and shrimp to create a beautiful underwater world. Specification: Condition: 100%brand new Material: Resin Weight:400g Product size: (1cm=0.39inch approx) 38.5*9*6cm/15.15*3.54*2.36inch Package list: 1* wreck ornaments Notice: All units are centimeter/cm which measured by manual,please allow 1-3 cm difference. Please check the detail measurements before you place an order. .