1It can be installed in a cage to hold food or water to prevent your bird from accidentally dumping the cup and causing food waste. 2With its own fixing screw fittings, this product is easy to install and remove, which makes feeding convenient. 3The bowl is easy to remove from the bracket, antirust, anticrack, made of stainless steel and easy to clean. 4The material is resistant to bite, can be used for a long time, to prevent bird bite damage. 5Made of stainless steel, this product is a healthy alternative to plastic food feeder, nontoxic and don't have odors.