[Package includes]:1 pieces of hay rack, 18cm14cm9cm (size). [Material]: high quality plastic + galvanized sheet, hard and durable, corrosion wear-resistant, good protection ability. [Clean and Organized]: Save cage space. Protect pet food from urine or feces and keep the inner cage clean. [Installation]: Easily adjust and no need for extra tools. Simply fix the hay feeder in the cage by turning the white rear knob. [Suitable for]: small animals, such as chinchillas, rabbits, guinea pigs, etc.