QBL1004 Features: * Container * Material: Plastic * Use as a holding tank, treatment tank or for observation of suspected sick or pregnant fish * Hangs inside aquarium to utilize the benefits of the heater Options: * Available in Small and Large sizes Dimensions: * Small dimensions: 5.13"" H x 2.5"" W x 4.5"" D * Large dimensions: 7"" H x 3.25"" W x 6"" D