1. Rich and Colorful: The Colorful Coral Aquarium Decoration makes your aquarium look vivid, and adds to natural color and beautiful scenery. Also is an excellent hiding cave for fish to play, add more fun to their lives, and help to relieve stress 2. Material : Coral decoration made of resin, suitable for all terrariums, aquariums, freshwater and saltwater. It doesn't pose harm to your aquatic animals nor create any ill impact on water quality 3. Reduce Fish Stress: The Coral Aquarium has 3 holes on the rockfish decor, your lovely pet betta or other smaller fish would be super happy to go in and out of the trunk cave to sleep, rest, hide, play, breed 4. Solid Integrated Structure: Aquarium decorated resin coral rock mountain is a solid one-piece structure, it features aeration holes and swim-through chambers, making a y and beautiful underwater world for your fish and pets 5. The Colorful Coral Aquarium Decoration is Medium Size: 6.3 x 4.7 x 4.7 inches, great for fish tank decorations, model making, terrariums, marine aquariums, mini gardens, fairy gardens, gnome gardens 6. Easy to Manage: The color decoration on the top does not fade and is very easy to take care of. No need to take care of this will save you a lot of time Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.