Penn Plax Spongebob Betta Goldfish Fish Tank HOLDS 0.7 GALLONS OF WATER: perfectly sized for a betta or a goldfish SPONGEBOB THEME: the tank features a bright SpongeBob background, a lid, top dcor, and a snap up feeding window. EASY TO CLEAN: the fish bowl is made of high quality plastic with a removable lid to make cleaning easy.