‘Replacement Ceramic Crocks for Prevue Signature Line Parrot Cages (May fit other cages) These are heavy commercial restaurant quality food crocks. You can even put them at the bottom of any cage. 8 oz crock fits Prevue Signature cage style #2151. 3 3/4" across the top 3 1/2" across the bottom 3" tall 20 oz crock fits Prevue Signature Cage styles #’s 2152, 2153, 2154. 5 1/8" across the top 4 1/4" across the bottom 3 1/2" tall. Limited supplies as these are no longer being made.’