Bettas will enjoy swimming around the Torus while you enjoy the special features designed with you in mind! A handle has been integrated into the mold of the aquarium, making it easy to transport when its time to clean. In addition, the unique center opening allows you to personalize each Torus with a picture of your choice! Key Features : Portable Handle Locking Cover Customizable 3 L (0.8 US Gal.) Available in Blue