Rite Farm Products 1 pint capacity small pet feed, water, or treat cup. We use them in our chicken coops to give the chickens treats. Works well for chickens rabbits, birds, chinchillas, ferrets, and many other small pets. Connects to all wire cages, chicken wire, and hardware cloth. 2 built in prongs hold the cup to the wire on the rear of the cup. Strong polyethylene cup is built to last. Has a safety edge top lid that is removable for easy cleaning.