This feeder features 2 feeding ports, a wide-mouth design, and an 8 oz. nectar capacity. The clear, shatter-proof acrylic reservoir makes it easy to monitor nectar levels and unscrews from the feeder base for quick cleaning and filling. Easily attaches to wall, window, or post. Perches are removable. Dimensions: 6-3/4" W x 3-1/4" D x 9" H. Made by Perky-Pet.