It has a acrylic bottom glued/ bonded to the base of the cylinder. There are presently no holes in the base.
The dimensions are darn lost my notes... I will find them and post but getting it up right now. Any questions please let me know.This item is in the category "Pet Supplies\Fish & Aquariums\Aquariums & Tanks". The seller is "feeding-my-babies" and is located in this country: US. This item can be shipped to United States.