jw pet company clean cup feeder and water cup bird accessory, medium, colors may vary jw pet the insight clean cup feed & water cup medium has a clear plastic shield that keeps food and debris from falling outside of the cage. the cup was designed clear so that bird's do not mind putting their heads inside. without their view blocked the bird can comfortably eat while the extended cup keeps the mess inside of the cage. made from nylon and acrylic the cup is durable and dishwasher safe.