Eco-friendly and non-toxic PP material, odorless, easy to clean and without risks to health. Metal over edges makes the frame anti-bite and more durable. Product designed to keep your pet from excreting into the feeder. Criss-cross buckle design can fix the feeder and solider. Design with food bowl and hay rack to make it have double duty-you can put the alfalfa or timothy grass on the top of it and put rabbit food beneath. In that case the food won't spill and have more selection for the little pet to eat, at the same time, you can save space. External simple hay cage, it is large size and can save the space of the cage. It looks good and it is fixable.