InSight Clean Cup Feed and Water Cup Medium: A cup feeder with a difference a clear plastic shield keeps food and debris from falling outside the cage If your bird enjoys the occasional food fight, the shield and the cup placement a few inches into the cage, combine to solve the biggest problem reported by bird owners in all surveyskeeping the area around the cage clean And because it's clear, birds don't mind sticking their heads into it (unlike opaque shields) The Cup Feed and Water Cup Medium is made from nylon and acrylic parts Its unique washer system makes it a breeze to fit all size cages available Plus, it's easy to clean It screws into the horizontal and vertical bar cages to guaranty a secure fit Dishwasher safe too!