This 10-piece set of feeder finger drawers cups is a must-have for canary/finch breeders and champion bird breeders alike. The tray feeders are made of durable plastic material and are dishwasher proof for easy cleaning. With a size of 2.75 x 0.6 x 0.6 inches (7 x 1.5 x 1.5 cm), and with no need to go inside the cage for mounting, the feeder cups are convenient to use and suitable for any bird cage. Shipment is free on a registered basis and takes place every Wednesday and Saturday from Germany. These feeder finger drawers cups are useful for providing water, food, seeds, and minerals treats to birds, and are a great addition to any bird supplies.