Prevue Hendryx Breeder Cage, White Our Breeder Cage is a compact way to house finches, canaries or other small birds Unique feet allow you to stack up to four units Side nest box doors allow easy access to your birds Each side of the cage includes two plastic feeder cups and one plastic perch 23-1/4-inch long, 10-1/2-inch wide, 14-inch high with 1/2-inch wire spacing