10 pack of Rite Farm Products 12 ounce capacity small pet feed water or treat cups. We use them in our coops & cages to give birds food water & treats. Works well for pigeons quail chickens rabbits birds chinchillas ferrets and many other small pets. Connects to all wire cages chicken wire and hardware cloth. 3 built in prongs hold the cup to the wire on the rear of the cup. Strong polyethylene cup is built to last. Fast removable from cages for easy cleaning. Overall dimensions are 4.75 inches long x 3.875 inches wide x 2.25 inches tall.