Blue Ribbon Exotic Environments Swim-Through Stone Chamber Aquarium Ornament, Large QuickBooks Case includes assorted colors of

Case includes assorted colors of Blue and White or Brown and Black

sick/weak fish or new fish that require acclimation

They are USA natural beef femur or tibia bones with no artificial ingredients

Not compatible with larger

Blue Ribbon Exotic Environments Swim-Through Stone Chamber Aquarium Ornament, Large QuickBooks Case includes assorted colors ofOur Euro style free form rock chamber creates a great place for inhabitants to hide. Multiple holes available for easy swim through, creating fun interactive exercise for fish & reptiles alike. Add your own aeration to create bubbles which escape the holes. safe for all aquariums & terrariums.