These strong tanks feature welded angle-iron frames, with a non-corrosive baked-on finish suitable for freshwater use. The extra-strength glass side panels and heavy glass bottoms are secured with a permanently pliable adhesive that is guaranteed not to leak and will not dry out when the aquarium stands empty during school vacations. Protective channels along the top edges of the glass provide safety and durability in classroom use. Excellent for fish, reptiles or amphibians. All grade levels. Ages 5 above. activities. Comes with an acrylic cover. 6 gallon Capacity. Measures 18" length by 10" width by 10" depth.