Nature's Pure Series Seamless Glass Cube Aquarium 7x7x7 in. - 1 Gallon Qty: 1 Seamless hand blown aquarium. 7x7x7 in. (LxWxH) Cube Holds about 1 gallons empty. Great desktop aquarium. No silicone glue on corners. Smooth rounded edges. Note: May contain air bubbles and minor scratches due to the hand blown process.