General description These aquarium decoration rocks are designed to enhance the aesthetic appeal of your fish tank while providing functional benefits. Made from high-quality resin, they are durable and safe for aquatic environments. Technical specifications Material: High-quality resin Color: As shown Package Contents: 4 x Landscaping Simulation Rockery Measurement allowed error: +/- 1-3 cm Usage Decorate aquariums and landscaping. Provides a surface for nitrifying bacteria to attach. Easy to clean with a rinser and clean water. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.