Fish tank size: Recommended for medium and large fish tanks. It can also be used for reptile pets such as snake, leopard gecko, bearded dragon, turtle, ball python, chameleon, axolotl, spider, tarantula etc These fish tank decorations are excellent accessory for aquarium, aquarium, fish and other creatures. Unique shape, exquisite workmanship make it look lifelike, it will increase the natural scenery in your aquarium. The colorful scenery will make your fish full of vitality. [CLEANING TIPS] 1. Before putting the aquarium cave into the fish tank for the first time, please clean it with clean water to remove the dust and paint smell. 2. There is no need to clean the glofish tank decorations frequently. When changing the water in the fish tank, you can use running water to clean or use a toothbrush to gently brush the surface and interior. 3. Don't worry about peculiar smell. It can be put into the fish tank after being washed with clean water for a period of time. [NOTE] 1. Due to manual measurement, please allow 0-1cm error. Please make sure you don't mind before you bid. 2. The pictures are taken from the actual products. Due to the difference between different monitors, the picture may not reflect the actual color of the project. Thank you for your understanding.