Sizes: Available in either a 40 or 55cm long tube. Feeder ports: Positioned for optimal food access, and adequately spaced apart to allow for side-to-side feeding. Options: Choose either one or two feeders. Design: A horizontally hung feeder tube outdoors, that's bright and transparent to easily monitor food levels. Garden: Get a hanging garden bird feeder tube. Easy to fill: Simply hang the feeder and adjust the cords until its level. Hanging Garden Bird Feeder Tube | Living Social | Living Social