Seapora | Aquarium Rimless (3.5 Gallons) (10"x10"x10")This Seapora Rimless Cube Aquarium has been assembled with diamond polished edges and black silicone. It is completely rimless and does not feature a frame, offering a sleek, clean appearance. This cube aquarium is 3. 5 gallons, perfect size for your desktop, office, or living space! Your small breed fish will love their new home, and you will thoroughly enjoy the freedom of being able to customize it to your liking. 10" x 10" x 10"