EASY TO REFILL --- This small animal feed box has a lid. The lid can be easily opened for refilling or changing feed. You can attach this hanging pet feeder to the outside or inside of the cage according to your own needs. AUTOMATIC SUPPLY FEEDER --- Natural gravity supply system, no electricity required, environmental protection. The slope design with two outlets to ensure that no food stuck. DESIGNED WITH YOUR ANIMALS SAFETY IN MIND --- The rounded steal on the trough area of the feeder keeps your animal safe while feeding. And the hanging cage design can effectively prevent the food from being damp, making it safer and more hygienic. Protect your pet's health!. EASY CAGE ATTACHMENT --- This feeder is simple to install and attach. Independent hooks allow the feeder to be attached to the inside of the hutch, or for a more convenient filling to the outside. LARGE CAPACITY --- 1L/34oz large capacity, can hold pet food 500g, no longer need to worry about your pet has not enough food to eat if you are not home all day. This rabbit food dispenser is great for Rat, Hamster,Guinea Pig, Ferrets, Bunny , Bird, Cat and Other Small Pets. !!!NEED TO KNOW BEFORE YOUR PURCHASE!!! --- The FOOD DISPENSER needs the cage vertical wire spacing larger than 1.1 inch (2.7cm) AND horizontal wire spacing larger than 1.6 inch (4cm).The WATER DISPENSER needs the cage horizontal OR vertical wire spacing larger than 1 inch (2.5cm).