The Marina Betta EZ Care Aquarium provides a no mess, no stress maintenance solution. Now there's no need to get your hands wet; disturb your Betta or disrupt your aquarium décor in order to perform routine water changes. Simply add clean water and the EZ care self-cleaning feature does the rest. By adding clean water, debris gets flushed to the bottom of the tank and then out to the reservoir located on the back. When the reservoir is filled; just remove, empty and replace -- no mess, no stress. The aquarium's small size takes up very little space and its chic design allows it to blend in nicely with a variety of household or office settings such as counters, desks, bookshelves or coffee tables. Key Features :2.5L (0.7 US gal) clear plastic cube aquarium with frame and EZ care feature Decorative double-sided background Decorative pebbles Water change cup Colour: Black Dimensions: 15.8 cm L x 15.8 cm H x 15.8 cm D (6¼ in x 6¼ in x 6¼ D) Other Marina Betta EZ Care Aquarium Kits available : 13357, Marina Betta EZ Care Aquarium Kit, White 13359, Marina Betta EZ Care Aquarium Kit, Blue 13360, Marina Betta EZ Care Special Edition Aquarium Kit, Black,