Uniquely shaped 1 gallon acrylic Nano Tanks for Bettas or other small Nano Tank animals. Great for Shrimp, Crayfish, Dwarf Frogs, Killifish, Micro Tetras, Micro Rasboras, and more! Hand-made, Available in 5 colors: Black, White, Blue, Red, and Neon Pink. Available in 4 shapes: Rectangular, Oval/Racetrack,Hexagon, and T.V. Shape!