Features: No rot or any problems. Offers the natural environment feeling. This rockery is made from polyresin and makes an exciting ornament in any aquarium. It is great to decorate your aquarium all the time with minimum responsibility and maintenance. Make your aquarium vividly add to natural color. Fish can hide and Pass through the hole and crannies within. Change your aquarium into a beautiful scenery . It is vividly and color detailed to add lively and natural life to your tank. Specifications: Material: Resin Types: ABCD Product Size(about)(LxWxH): 11x5.5x9.5cm Package Included: 1 xAquarium Rockery Note: 1. Due to the light and screen difference the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.