Rectangular aquarium made of highly transparent float glass. Glass thickness side panes and bottom pane: 3 mm. Glued with additional safety seam. The aquarium is glued with black silicone. The edges of the aquarium are diamond cut for safety reasons.Standard Aquarium 25 l+ dimensions: 40x25x25 cm (length x width x height)+ glass thickness: 3 mm+ volume: approx. 25 liters+ float glass which is highly transparent and highly resistant+ glass thickness in accordance with European standards, eliminating the risk of stresses in the glass+ double silicone joints which make the aquarium safe and stable+ with safe, polished edges