4-7/8 In Diameter - 2-1/4 In Deep - 20 Oz Liquid Capacity (silver color, the blue is a reflection)
If you are seeking an additional bird food dish that is difficult for your bird to remove this product will solve your problem.
It's designed to fit almost any size bird cage and is very easy to install. Simple 4 bolt Installation. (The 10 oz dish shown has only 2 bolts, the 20 oz has 4 bolts)
The bowls have "bumps" and must be rotated to a certain position in order to be released from the ring (something like a medicine bottle).
If your bird is pulling out his feeder dish and dumping his food or water on a regular basis, look no further.