Item: Rabbit Hay Feeder / Guinea Pig Feeder Feeder: These pet feeders adopt cross screw fixed design, can be easily fixed in the wire cage box at any place, and can adjust the height, it is very convenient for small animals to eat. Humanized Design - The edge of the bottom layer is covered with stainless steel, which effectively prevents small animals from biting. Besides, the grass grid is detachable, so you can easily clean it More Safer Raw Materials Convenient Installation - The rear latch of the feeder adopts a cross-screw fixed design, so you can easily attach it to a wire cage connect and freely adjust height. No tools required. The diameter of the cage wire should be less than 3.9mm Dimensions - L*H*W 15*18*15cm. SIZE: 15.5 x 15 x 18.3cm. The hole diameter of the bowl back is about 0.44 inch. This hay feeder can be used both as a feed bowl and as a hay rack. The center is plastic that is pressed against the hay, minimizing waste. STURDY & DURABLE: The hay feeder is made of hard plastic and is durable. The metal encapsulation design on the front can effectively prevent animal bites. CROSS LOCK FIXED DESIGN: The back of the hay feeder is a cross lock fixed design. It is convenient to attach the shelf to the grass cage and adjust the height. CUSTOMER SERVICE: We strive to create the best in customer service. If you are unsatisfied, contact us.