Not only is this fish tank decoration a resting ball for your betta fish, it's also the perfect shrimp hiding place. It provides your fish with a private place to hide and relax. It adds an interesting look to your fish tank and is suitable for both freshand salt water. This fish tank ball is made of non-toxic and odorless plastic to ensure the health of your fish. Suction cups on the sides make it easy to attach it to the wall of your fish tank, and small holes allow water to circulate and plants to grow into the hiding place. This fish tank cave is a great addition to your fish tank and will help your fish feel safe and secure.Fish rest areas provide your fish with a comfortable place to hide and sleep, reducing stress and promoting health. Convenient and easy to use: Just use the suction cup to fix the fish hole on the inside of the aquarium glass.Package includes: 1 fish hole. Please note that fish and other accessories are not included.