Bird-Life presents the Universal Seed and Water Cup by PENN-PLAX. This cup gives you an additional location to keep water or food inside a birdcage! It can be used with or without the cover, and is great for Parakeets, Parrotlets, Lovebirds, Canaries, Finches, and other small birds! Can be used with or without the cover With the included mounting bracket, this bird seed and water cup can be mounted anywhere inside a birdcage! Just secure the mounting bracket where horizontal and vertical wires cross! Can also hang the cup on drop down cage door sills For quick and easy access, lift the cup from the track! Then after cleaning or refilling, simply place it back into the track! Size approx. 10cm Hx 9cm L x 6cm W