1.Sufficient Quantity and Proper Sizes for Feeding: you will receive 30 pieces of hanging chicken feeders in blue, and each measures approx. 3.5 inches/ 9 cm long, about 2.5 inch/ 6.3cm wide and approx. 2.3 inch/ 5.8 cm deep; The proper size and enough quantity is ideal for your pets to use and replace 2.Hanging Hook Design: the bird food bowl has a hook on the back that can be easily attached to any wire cage, which is convenient and easy to hang, bringing you a pretty convenience; What's more, it is easy to clean with water, no waste of time washing and cleaning, easy and convenient 3.Safe and Sturdy Material: made of quality plastic, these cage feeder cups are sturdy and wear resistant, waterproof and , which are reliable to use, and can apply many times; In addition, they pet bowl have smooth edge without burrs, so your pets can use them with and confidence 4.Practical Functions: these hanging cups can be secured inside and outside the cage to help retain food and water, and your pets can drink at a suitable height and do not worry about tipping food and water bowl; Also, they are suitable for parrot habitat, bird feeding, bird rest, parrot drinking water, exercise chewing function, and more