[Material]: High quality plastic + galvanized sheet, hard and durable, corrosion wear-resistant, good protection ability. [Clean and organized]: Save space from the cage. Protect pet food from urine or feces and keep the inner cage clean. [Installation]: Easily adjust and no extra tools needed. Simply attach the hay feeder to the cage by turning the white rear knob. [Suitable for]: Small pets, such as chinchillas, rabbits, guinea pigs, etc.