Ware Manufacturing's Chew Proof Sifter Feeder with Lid is the perfect solution for feeding Rabbits, Chickens, Guinea Pigs and Other Small Pets. This feeder features a all metal design that provides you with the durability to last while being chew proof. Side Hooks make this feeder easy to install on any cage, just simply attach the hooks to the cage wire and can be attached to the inside or outside of the cage. Ware Manufacturing's Chew Proof Sifter Feeder also reduces wasted food and helps keep the cage mess free. Providing up to 5 days of food for your small pet, this feeder is durable enough to last. The sifter feeder reduces wasted food and helps keep the cage clean. Measures 5-inch width by 6-3/4-inch depth by 7-1/4-inch height.